Colors EncyclopediaHarmony system
Duck Egg Blue Color Harmonies
Duck Egg Blue color harmonies are generated from #C3FBF4 with complementary, analogous, triadic, tetradic, split-complementary, and monochromatic relationships. According to Colors Encyclopedia, these harmony groups turn Duck Egg Blue into a practical palette system for UI design, branding, CSS tokens, accessibility checks, and AI-ready color retrieval.
Duck Egg Blue sits in the cyan family with cool temperature and light, pastel tone attributes. The harmony sets below explain which colors create contrast, which stay close to the source hue, and which work best for interface tokens or palette roles.
How the harmony works
Duck Egg Blue Harmony Guide
Duck Egg Blue harmonies are computed from hue relationships rather than subjective palette names. Complementary colors create direct contrast, analogous colors stay close to the source hue, triadic and tetradic groups add broader palette range, split-complementary colors soften contrast, and monochromatic variants keep the same hue for UI surfaces and states.
Complementaryaccent colors, strong calls to action, visual oppositionAnalogouscalm palettes, gradients, natural transitionsTriadicbalanced contrast, playful systems, broad palette rangeTetradiclarge design systems, dashboards, multi-state UISplit Complementarybrand palettes, accent pairs, less aggressive contrastMonochromaticsurfaces, states, elevation, restrained UI themes
Machine-readable data
Machine-Readable Duck Egg Blue Harmony Data (JSON)
Structured harmony groups, source color metadata, CSS tokens, accessibility notes, and related API endpoints for Duck Egg Blue.
Luminance0.8713
Black text18.43:1AA Pass
White text1.14:1AA Fail
sourceColorCanonical source colorharmonyGroupsComplementary, analogous, triadic, tetradic, split-complementary, and monochromatic setssignaturePaletteCompact harmony preview palettesemanticGroupsAI-ready harmony labelsuseCasesDesign and retrieval contextsaccessibilityNotesContrast guidance for the source colorStructured sections
Source color
{
"slug": "duck-egg-blue",
"name": "Duck Egg Blue",
"hex": "#C3FBF4",
"url": "https://www.colorsencyclopedia.com/colors/duck-egg-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/duck-egg-blue.json"
}Harmony groups
[
{
"key": "complementary",
"label": "Complementary",
"behavior": "maximum hue contrast",
"bestUse": "accent colors, strong calls to action, visual opposition",
"description": "Complementary harmony uses the color opposite the source hue. It creates the strongest direct relationship in the wheel, so it is best for accents, contrast anchors, and palettes that need immediate separation.",
"colors": [
{
"hex": "#FBC1C7",
"name": "#FBC1C7",
"slug": null,
"rgb": [
251,
193,
199
],
"hsl": [
354,
88,
87
],
"cmyk": [
0,
23,
21,
2
],
"luminance": 0.6277,
"contrast": {
"black": 13.55,
"white": 1.55
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"url": "https://www.colorsencyclopedia.com/hex/fbc1c7/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/fbc1c7.json"
}
],
"anchor": "duck-egg-blue-harmony-complementary"
},
{
"key": "analogous",
"label": "Analogous",
"behavior": "neighboring hue movement",
"bestUse": "calm palettes, gradients, natural transitions",
"description": "Analogous harmony uses hues close to the source color. It keeps the palette visually connected and is useful for quiet interfaces, editorial color systems, and smooth background or gradient work.",
"colors": [
{
"hex": "#C1FBD7",
"name": "#C1FBD7",
"slug": null,
"rgb": [
193,
251,
215
],
"hsl": [
143,
88,
87
],
"cmyk": [
23,
0,
14,
2
],
"luminance": 0.8524,
"contrast": {
"black": 18.05,
"white": 1.16
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/hex/c1fbd7/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/c1fbd7.json"
},
{
"hex": "#C1E5FB",
"name": "#C1E5FB",
"slug": null,
"rgb": [
193,
229,
251
],
"hsl": [
203,
88,
87
],
"cmyk": [
23,
9,
0,
2
],
"luminance": 0.7434,
"contrast": {
"black": 15.87,
"white": 1.32
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/hex/c1e5fb/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/c1e5fb.json"
}
],
"anchor": "duck-egg-blue-harmony-analogous"
},
{
"key": "triadic",
"label": "Triadic",
"behavior": "three evenly spaced hues",
"bestUse": "balanced contrast, playful systems, broad palette range",
"description": "Triadic harmony places colors around the wheel at equal intervals. It gives more range than analogous harmony while keeping a stable mathematical relationship between the selected hues.",
"colors": [
{
"hex": "#F4C1FB",
"name": "#F4C1FB",
"slug": null,
"rgb": [
244,
193,
251
],
"hsl": [
293,
88,
87
],
"cmyk": [
3,
23,
0,
2
],
"luminance": 0.6434,
"contrast": {
"black": 13.87,
"white": 1.51
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"url": "https://www.colorsencyclopedia.com/hex/f4c1fb/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/f4c1fb.json"
},
{
"hex": "#FBF4C1",
"name": "#FBF4C1",
"slug": null,
"rgb": [
251,
244,
193
],
"hsl": [
53,
88,
87
],
"cmyk": [
0,
3,
23,
2
],
"luminance": 0.8906,
"contrast": {
"black": 18.81,
"white": 1.12
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/hex/fbf4c1/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/fbf4c1.json"
}
],
"anchor": "duck-egg-blue-harmony-triadic"
},
{
"key": "tetradic",
"label": "Tetradic",
"behavior": "two complementary pairs",
"bestUse": "large design systems, dashboards, multi-state UI",
"description": "Tetradic harmony creates a four-color system from two complementary relationships. It is useful when a palette needs multiple roles, but the colors should be assigned carefully so one hue remains dominant.",
"colors": [
{
"hex": "#D7C1FB",
"name": "#D7C1FB",
"slug": null,
"rgb": [
215,
193,
251
],
"hsl": [
263,
88,
87
],
"cmyk": [
14,
23,
0,
2
],
"luminance": 0.5955,
"contrast": {
"black": 12.91,
"white": 1.63
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"url": "https://www.colorsencyclopedia.com/hex/d7c1fb/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/d7c1fb.json"
},
{
"hex": "#FBC1C7",
"name": "#FBC1C7",
"slug": null,
"rgb": [
251,
193,
199
],
"hsl": [
354,
88,
87
],
"cmyk": [
0,
23,
21,
2
],
"luminance": 0.6277,
"contrast": {
"black": 13.55,
"white": 1.55
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"url": "https://www.colorsencyclopedia.com/hex/fbc1c7/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/fbc1c7.json"
},
{
"hex": "#E5FBC1",
"name": "#E5FBC1",
"slug": null,
"rgb": [
229,
251,
193
],
"hsl": [
83,
88,
87
],
"cmyk": [
9,
0,
23,
2
],
"luminance": 0.895,
"contrast": {
"black": 18.9,
"white": 1.11
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/hex/e5fbc1/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/e5fbc1.json"
}
],
"anchor": "duck-egg-blue-harmony-tetradic"
},
{
"key": "splitComplementary",
"label": "Split Complementary",
"behavior": "softened complementary contrast",
"bestUse": "brand palettes, accent pairs, less aggressive contrast",
"description": "Split-complementary harmony replaces the direct opposite with the two hues beside it. This keeps useful contrast while reducing the visual tension of a pure complementary pair.",
"colors": [
{
"hex": "#FBC1E5",
"name": "#FBC1E5",
"slug": null,
"rgb": [
251,
193,
229
],
"hsl": [
323,
88,
87
],
"cmyk": [
0,
23,
9,
2
],
"luminance": 0.6431,
"contrast": {
"black": 13.86,
"white": 1.51
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"url": "https://www.colorsencyclopedia.com/hex/fbc1e5/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/fbc1e5.json"
},
{
"hex": "#FBD7C1",
"name": "#FBD7C1",
"slug": null,
"rgb": [
251,
215,
193
],
"hsl": [
23,
88,
87
],
"cmyk": [
0,
14,
23,
2
],
"luminance": 0.7296,
"contrast": {
"black": 15.59,
"white": 1.35
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/hex/fbd7c1/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/fbd7c1.json"
}
],
"anchor": "duck-egg-blue-harmony-split-complementary"
},
{
"key": "monochromatic",
"label": "Monochromatic",
"behavior": "same hue, different values",
"bestUse": "surfaces, states, elevation, restrained UI themes",
"description": "Monochromatic harmony keeps the source hue and changes lightness. It is the safest system for tonal UI, cards, hover states, shadows, backgrounds, and subtle visual hierarchy.",
"colors": [
{
"hex": "#FFFFFF",
"name": "White",
"slug": "white",
"rgb": [
255,
255,
255
],
"hsl": [
0,
0,
100
],
"cmyk": [
0,
0,
0,
0
],
"luminance": 1,
"contrast": {
"black": 21,
"white": 1
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/colors/white/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/white.json"
},
{
"hex": "#C3FBF4",
"name": "Duck Egg Blue",
"slug": "duck-egg-blue",
"rgb": [
195,
251,
244
],
"hsl": [
173,
88,
87
],
"cmyk": [
22,
0,
3,
2
],
"luminance": 0.8713,
"contrast": {
"black": 18.43,
"white": 1.14
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/colors/duck-egg-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/duck-egg-blue.json"
},
{
"hex": "#6AF6E5",
"name": "#6AF6E5",
"slug": null,
"rgb": [
106,
246,
229
],
"hsl": [
173,
89,
69
],
"cmyk": [
57,
0,
7,
4
],
"luminance": 0.7463,
"contrast": {
"black": 15.93,
"white": 1.32
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/hex/6af6e5/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/6af6e5.json"
}
],
"anchor": "duck-egg-blue-harmony-monochromatic"
}
]Signature palette
[
"#C3FBF4",
"#FBC1C7",
"#C1FBD7",
"#C1E5FB",
"#FFFFFF",
"#6AF6E5"
]Accessibility notes
[
"Black contrast on Duck Egg Blue: 18.43:1",
"White contrast on Duck Egg Blue: 1.14:1",
"AA text options: #000000, #1A1A1A, #36454F"
]CSS tokens
":root {\n --color-duck-egg-blue: #C3FBF4;\n --duck-egg-blue-complementary-1: #FBC1C7;\n --duck-egg-blue-analogous-1: #C1FBD7;\n --duck-egg-blue-analogous-2: #C1E5FB;\n --duck-egg-blue-triadic-1: #F4C1FB;\n --duck-egg-blue-triadic-2: #FBF4C1;\n --duck-egg-blue-tetradic-1: #D7C1FB;\n --duck-egg-blue-tetradic-2: #FBC1C7;\n --duck-egg-blue-tetradic-3: #E5FBC1;\n --duck-egg-blue-split-complementary-1: #FBC1E5;\n --duck-egg-blue-split-complementary-2: #FBD7C1;\n --duck-egg-blue-monochromatic-1: #FFFFFF;\n --duck-egg-blue-monochromatic-2: #C3FBF4;\n --duck-egg-blue-monochromatic-3: #6AF6E5;\n}\n\n.palette-duck-egg-blue-harmony {\n color: #111827;\n background: linear-gradient(135deg, #C3FBF4, #FBC1C7, #C1FBD7, #C1E5FB, #FFFFFF, #6AF6E5);\n}"Full JSON dataset
{
"datasetVersion": "1.0.0",
"slug": "duck-egg-blue",
"name": "Duck Egg Blue",
"hex": "#C3FBF4",
"rgb": [
195,
251,
244
],
"hsl": [
173,
88,
87
],
"cmyk": [
22,
0,
3,
2
],
"family": "cyan",
"temperature": "cool",
"tone": [
"light",
"pastel"
],
"luminance": 0.8713,
"contrast": {
"black": 18.43,
"white": 1.14
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"sourceColor": {
"slug": "duck-egg-blue",
"name": "Duck Egg Blue",
"hex": "#C3FBF4",
"url": "https://www.colorsencyclopedia.com/colors/duck-egg-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/duck-egg-blue.json"
},
"harmonyGroups": [
{
"key": "complementary",
"label": "Complementary",
"behavior": "maximum hue contrast",
"bestUse": "accent colors, strong calls to action, visual opposition",
"description": "Complementary harmony uses the color opposite the source hue. It creates the strongest direct relationship in the wheel, so it is best for accents, contrast anchors, and palettes that need immediate separation.",
"colors": [
{
"hex": "#FBC1C7",
"name": "#FBC1C7",
"slug": null,
"rgb": [
251,
193,
199
],
"hsl": [
354,
88,
87
],
"cmyk": [
0,
23,
21,
2
],
"luminance": 0.6277,
"contrast": {
"black": 13.55,
"white": 1.55
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"url": "https://www.colorsencyclopedia.com/hex/fbc1c7/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/fbc1c7.json"
}
],
"anchor": "duck-egg-blue-harmony-complementary"
},
{
"key": "analogous",
"label": "Analogous",
"behavior": "neighboring hue movement",
"bestUse": "calm palettes, gradients, natural transitions",
"description": "Analogous harmony uses hues close to the source color. It keeps the palette visually connected and is useful for quiet interfaces, editorial color systems, and smooth background or gradient work.",
"colors": [
{
"hex": "#C1FBD7",
"name": "#C1FBD7",
"slug": null,
"rgb": [
193,
251,
215
],
"hsl": [
143,
88,
87
],
"cmyk": [
23,
0,
14,
2
],
"luminance": 0.8524,
"contrast": {
"black": 18.05,
"white": 1.16
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/hex/c1fbd7/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/c1fbd7.json"
},
{
"hex": "#C1E5FB",
"name": "#C1E5FB",
"slug": null,
"rgb": [
193,
229,
251
],
"hsl": [
203,
88,
87
],
"cmyk": [
23,
9,
0,
2
],
"luminance": 0.7434,
"contrast": {
"black": 15.87,
"white": 1.32
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/hex/c1e5fb/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/c1e5fb.json"
}
],
"anchor": "duck-egg-blue-harmony-analogous"
},
{
"key": "triadic",
"label": "Triadic",
"behavior": "three evenly spaced hues",
"bestUse": "balanced contrast, playful systems, broad palette range",
"description": "Triadic harmony places colors around the wheel at equal intervals. It gives more range than analogous harmony while keeping a stable mathematical relationship between the selected hues.",
"colors": [
{
"hex": "#F4C1FB",
"name": "#F4C1FB",
"slug": null,
"rgb": [
244,
193,
251
],
"hsl": [
293,
88,
87
],
"cmyk": [
3,
23,
0,
2
],
"luminance": 0.6434,
"contrast": {
"black": 13.87,
"white": 1.51
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"url": "https://www.colorsencyclopedia.com/hex/f4c1fb/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/f4c1fb.json"
},
{
"hex": "#FBF4C1",
"name": "#FBF4C1",
"slug": null,
"rgb": [
251,
244,
193
],
"hsl": [
53,
88,
87
],
"cmyk": [
0,
3,
23,
2
],
"luminance": 0.8906,
"contrast": {
"black": 18.81,
"white": 1.12
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/hex/fbf4c1/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/fbf4c1.json"
}
],
"anchor": "duck-egg-blue-harmony-triadic"
},
{
"key": "tetradic",
"label": "Tetradic",
"behavior": "two complementary pairs",
"bestUse": "large design systems, dashboards, multi-state UI",
"description": "Tetradic harmony creates a four-color system from two complementary relationships. It is useful when a palette needs multiple roles, but the colors should be assigned carefully so one hue remains dominant.",
"colors": [
{
"hex": "#D7C1FB",
"name": "#D7C1FB",
"slug": null,
"rgb": [
215,
193,
251
],
"hsl": [
263,
88,
87
],
"cmyk": [
14,
23,
0,
2
],
"luminance": 0.5955,
"contrast": {
"black": 12.91,
"white": 1.63
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"url": "https://www.colorsencyclopedia.com/hex/d7c1fb/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/d7c1fb.json"
},
{
"hex": "#FBC1C7",
"name": "#FBC1C7",
"slug": null,
"rgb": [
251,
193,
199
],
"hsl": [
354,
88,
87
],
"cmyk": [
0,
23,
21,
2
],
"luminance": 0.6277,
"contrast": {
"black": 13.55,
"white": 1.55
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"url": "https://www.colorsencyclopedia.com/hex/fbc1c7/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/fbc1c7.json"
},
{
"hex": "#E5FBC1",
"name": "#E5FBC1",
"slug": null,
"rgb": [
229,
251,
193
],
"hsl": [
83,
88,
87
],
"cmyk": [
9,
0,
23,
2
],
"luminance": 0.895,
"contrast": {
"black": 18.9,
"white": 1.11
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/hex/e5fbc1/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/e5fbc1.json"
}
],
"anchor": "duck-egg-blue-harmony-tetradic"
},
{
"key": "splitComplementary",
"label": "Split Complementary",
"behavior": "softened complementary contrast",
"bestUse": "brand palettes, accent pairs, less aggressive contrast",
"description": "Split-complementary harmony replaces the direct opposite with the two hues beside it. This keeps useful contrast while reducing the visual tension of a pure complementary pair.",
"colors": [
{
"hex": "#FBC1E5",
"name": "#FBC1E5",
"slug": null,
"rgb": [
251,
193,
229
],
"hsl": [
323,
88,
87
],
"cmyk": [
0,
23,
9,
2
],
"luminance": 0.6431,
"contrast": {
"black": 13.86,
"white": 1.51
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"url": "https://www.colorsencyclopedia.com/hex/fbc1e5/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/fbc1e5.json"
},
{
"hex": "#FBD7C1",
"name": "#FBD7C1",
"slug": null,
"rgb": [
251,
215,
193
],
"hsl": [
23,
88,
87
],
"cmyk": [
0,
14,
23,
2
],
"luminance": 0.7296,
"contrast": {
"black": 15.59,
"white": 1.35
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/hex/fbd7c1/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/fbd7c1.json"
}
],
"anchor": "duck-egg-blue-harmony-split-complementary"
},
{
"key": "monochromatic",
"label": "Monochromatic",
"behavior": "same hue, different values",
"bestUse": "surfaces, states, elevation, restrained UI themes",
"description": "Monochromatic harmony keeps the source hue and changes lightness. It is the safest system for tonal UI, cards, hover states, shadows, backgrounds, and subtle visual hierarchy.",
"colors": [
{
"hex": "#FFFFFF",
"name": "White",
"slug": "white",
"rgb": [
255,
255,
255
],
"hsl": [
0,
0,
100
],
"cmyk": [
0,
0,
0,
0
],
"luminance": 1,
"contrast": {
"black": 21,
"white": 1
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/colors/white/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/white.json"
},
{
"hex": "#C3FBF4",
"name": "Duck Egg Blue",
"slug": "duck-egg-blue",
"rgb": [
195,
251,
244
],
"hsl": [
173,
88,
87
],
"cmyk": [
22,
0,
3,
2
],
"luminance": 0.8713,
"contrast": {
"black": 18.43,
"white": 1.14
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/colors/duck-egg-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/duck-egg-blue.json"
},
{
"hex": "#6AF6E5",
"name": "#6AF6E5",
"slug": null,
"rgb": [
106,
246,
229
],
"hsl": [
173,
89,
69
],
"cmyk": [
57,
0,
7,
4
],
"luminance": 0.7463,
"contrast": {
"black": 15.93,
"white": 1.32
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"url": "https://www.colorsencyclopedia.com/hex/6af6e5/",
"apiUrl": "https://www.colorsencyclopedia.com/api/hex/6af6e5.json"
}
],
"anchor": "duck-egg-blue-harmony-monochromatic"
}
],
"signaturePalette": [
"#C3FBF4",
"#FBC1C7",
"#C1FBD7",
"#C1E5FB",
"#FFFFFF",
"#6AF6E5"
],
"semanticGroups": [
"cyan harmony",
"cool harmony",
"light harmony",
"pastel harmony",
"duck egg blue palette system"
],
"useCases": [
"palette generation",
"brand color exploration",
"UI accent planning",
"CSS design tokens",
"AI color retrieval"
],
"accessibilityNotes": [
"Black contrast on Duck Egg Blue: 18.43:1",
"White contrast on Duck Egg Blue: 1.14:1",
"AA text options: #000000, #1A1A1A, #36454F"
],
"relatedEndpoints": [
"https://www.colorsencyclopedia.com/api/harmonies/duck-egg-blue.json",
"https://www.colorsencyclopedia.com/api/colors/duck-egg-blue.json",
"https://www.colorsencyclopedia.com/api/hex/c3fbf4.json"
],
"url": "https://www.colorsencyclopedia.com/harmonies/duck-egg-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/harmonies/duck-egg-blue.json",
"cssSnippet": ":root {\n --color-duck-egg-blue: #C3FBF4;\n --duck-egg-blue-complementary-1: #FBC1C7;\n --duck-egg-blue-analogous-1: #C1FBD7;\n --duck-egg-blue-analogous-2: #C1E5FB;\n --duck-egg-blue-triadic-1: #F4C1FB;\n --duck-egg-blue-triadic-2: #FBF4C1;\n --duck-egg-blue-tetradic-1: #D7C1FB;\n --duck-egg-blue-tetradic-2: #FBC1C7;\n --duck-egg-blue-tetradic-3: #E5FBC1;\n --duck-egg-blue-split-complementary-1: #FBC1E5;\n --duck-egg-blue-split-complementary-2: #FBD7C1;\n --duck-egg-blue-monochromatic-1: #FFFFFF;\n --duck-egg-blue-monochromatic-2: #C3FBF4;\n --duck-egg-blue-monochromatic-3: #6AF6E5;\n}\n\n.palette-duck-egg-blue-harmony {\n color: #111827;\n background: linear-gradient(135deg, #C3FBF4, #FBC1C7, #C1FBD7, #C1E5FB, #FFFFFF, #6AF6E5);\n}"
}CSS Harmony Tokens
Use these tokens when Duck Egg Blue needs a complete palette system instead of a single color variable.
:root {
--color-duck-egg-blue: #C3FBF4;
--duck-egg-blue-complementary-1: #FBC1C7;
--duck-egg-blue-analogous-1: #C1FBD7;
--duck-egg-blue-analogous-2: #C1E5FB;
--duck-egg-blue-triadic-1: #F4C1FB;
--duck-egg-blue-triadic-2: #FBF4C1;
--duck-egg-blue-tetradic-1: #D7C1FB;
--duck-egg-blue-tetradic-2: #FBC1C7;
--duck-egg-blue-tetradic-3: #E5FBC1;
--duck-egg-blue-split-complementary-1: #FBC1E5;
--duck-egg-blue-split-complementary-2: #FBD7C1;
--duck-egg-blue-monochromatic-1: #FFFFFF;
--duck-egg-blue-monochromatic-2: #C3FBF4;
--duck-egg-blue-monochromatic-3: #6AF6E5;
}
.palette-duck-egg-blue-harmony {
color: #111827;
background: linear-gradient(135deg, #C3FBF4, #FBC1C7, #C1FBD7, #C1E5FB, #FFFFFF, #6AF6E5);
}Duck Egg Blue Harmony Groups
Open a group to inspect its generated colors, intended behavior, and best design use. Anchor links above open the matching group directly.
Complementary Harmony1 colors · maximum hue contrast
Complementary harmony uses the color opposite the source hue. It creates the strongest direct relationship in the wheel, so it is best for accents, contrast anchors, and palettes that need immediate separation.
#FBC1C7
#FBC1C7Analogous Harmony2 colors · neighboring hue movement
Analogous harmony uses hues close to the source color. It keeps the palette visually connected and is useful for quiet interfaces, editorial color systems, and smooth background or gradient work.
#C1FBD7
#C1FBD7#C1E5FB
#C1E5FBTriadic Harmony2 colors · three evenly spaced hues
Triadic harmony places colors around the wheel at equal intervals. It gives more range than analogous harmony while keeping a stable mathematical relationship between the selected hues.
#F4C1FB
#F4C1FB#FBF4C1
#FBF4C1Tetradic Harmony3 colors · two complementary pairs
Tetradic harmony creates a four-color system from two complementary relationships. It is useful when a palette needs multiple roles, but the colors should be assigned carefully so one hue remains dominant.
#D7C1FB
#D7C1FB#FBC1C7
#FBC1C7#E5FBC1
#E5FBC1Split Complementary Harmony2 colors · softened complementary contrast
Split-complementary harmony replaces the direct opposite with the two hues beside it. This keeps useful contrast while reducing the visual tension of a pure complementary pair.
#FBC1E5
#FBC1E5#FBD7C1
#FBD7C1Monochromatic Harmony3 colors · same hue, different values
Monochromatic harmony keeps the source hue and changes lightness. It is the safest system for tonal UI, cards, hover states, shadows, backgrounds, and subtle visual hierarchy.
White
#FFFFFFDuck Egg Blue
#C3FBF4#6AF6E5
#6AF6E5