Nearest-color comparison
Light Sky Blue #87CEFA vs Sky Blue #87CEEB: RGB distance 15 and contrast 1.02:1. Compare hue, luminance, saturation, WCAG and practical use.
Light Sky Blue and Sky Blue are very close, with an RGB distance of 15. Light Sky Blue is lighter by 0.0091, and Light Sky Blue is more saturated by 21 percentage points. Their mutual contrast is 1.02:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.
The main measurable differences between Light Sky Blue and Sky Blue across RGB distance, luminance, hue, saturation, and contrast.
blue color
Light Sky Blue is #87CEFA, a cool blue with hue 203°, saturation 92% and luminance 0.562. Beside Sky Blue, it is lighter and more saturated. Of the two standard text choices, black text gives the higher contrast at 12.24:1.
blue color
Sky Blue is #87CEEB, a cool blue with hue 197°, saturation 71% and luminance 0.5529. Beside Light Sky Blue, it is darker and less saturated. Of the two standard text choices, black text gives the higher contrast at 12.06:1.
Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.
Downloadable color comparison infographic
Save a high-resolution comparison infographic with both HEX colors, visual distance, mutual contrast, and accessibility guidance.
A compact visual strip showing the two compared colors with nearby harmony and variant context.
Machine-readable data
Structured comparison data for Light Sky Blue and Sky Blue, including color systems, RGB distance, HSL deltas, contrast, accessibility guidance, use cases, and API links.
Colors Encyclopedia
colorsBoth named color records with HEX, RGB, HSL, CMYK, luminance, WCAG, and linksdifferencesRGB distance, HSL deltas, luminance delta, contrast, and shared attributesaccessibilityPair contrast and safer text choices for each coloruseCasesWhen to choose each color and when to use them togetherrelatedApiMachine-readable comparison and color endpoints[
{
"slug": "light-sky-blue",
"name": "Light Sky Blue",
"hex": "#87CEFA",
"rgb": [
135,
206,
250
],
"hsl": [
203,
92,
75
],
"cmyk": [
46,
18,
0,
2
],
"family": "blue",
"temperature": "cool",
"tone": [
"pastel"
],
"luminance": 0.562,
"contrast": {
"black": 12.24,
"white": 1.72
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 12.24
},
"description": "Light Sky Blue is #87CEFA, a cool blue color with pastel character. Compared with Sky Blue, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/light-sky-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/light-sky-blue.json"
},
{
"slug": "sky-blue",
"name": "Sky Blue",
"hex": "#87CEEB",
"rgb": [
135,
206,
235
],
"hsl": [
197,
71,
73
],
"cmyk": [
43,
12,
0,
8
],
"family": "blue",
"temperature": "cool",
"tone": [
"balanced"
],
"luminance": 0.5529,
"contrast": {
"black": 12.06,
"white": 1.74
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 12.06
},
"description": "Sky Blue is #87CEEB, a cool blue color with balanced character. Compared with Light Sky Blue, it is darker and less saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/sky-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/sky-blue.json"
}
]{
"rgbDistance": 15,
"contrastRatio": 1.02,
"hslDelta": {
"hue": 6,
"saturation": 21,
"lightness": 2
},
"luminanceDelta": 0.0091,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [],
"lighterColor": "Light Sky Blue",
"moreSaturatedColor": "Light Sky Blue"
}{
"pairContrastRatio": 1.02,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Light Sky Blue",
"background": "#87CEFA",
"foreground": "#000000",
"label": "black text",
"ratio": 12.24
},
{
"color": "Sky Blue",
"background": "#87CEEB",
"foreground": "#000000",
"label": "black text",
"ratio": 12.06
}
]
}{
"chooseFirstWhen": "Light Sky Blue is better when the design needs pastel blue character, cool temperature, and the specific HEX value #87CEFA.",
"chooseSecondWhen": "Sky Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #87CEEB.",
"useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
}[
"https://www.colorsencyclopedia.com/api/compare/light-sky-blue-vs-sky-blue.json",
"https://www.colorsencyclopedia.com/api/colors/light-sky-blue.json",
"https://www.colorsencyclopedia.com/api/colors/sky-blue.json"
]{
"datasetVersion": "1.0.0",
"slug": "light-sky-blue-vs-sky-blue",
"type": "nearest",
"name": "Light Sky Blue vs Sky Blue",
"verdict": "Light Sky Blue and Sky Blue are very close colors. Light Sky Blue is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.02:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Light Sky Blue and Sky Blue are different blue colors with HEX values #87CEFA and #87CEEB. According to Colors Encyclopedia, their RGB distance is 15, their contrast ratio is 1.02:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 15,
"contrastRatio": 1.02,
"colors": [
{
"slug": "light-sky-blue",
"name": "Light Sky Blue",
"hex": "#87CEFA",
"rgb": [
135,
206,
250
],
"hsl": [
203,
92,
75
],
"cmyk": [
46,
18,
0,
2
],
"family": "blue",
"temperature": "cool",
"tone": [
"pastel"
],
"luminance": 0.562,
"contrast": {
"black": 12.24,
"white": 1.72
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 12.24
},
"description": "Light Sky Blue is #87CEFA, a cool blue color with pastel character. Compared with Sky Blue, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/light-sky-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/light-sky-blue.json"
},
{
"slug": "sky-blue",
"name": "Sky Blue",
"hex": "#87CEEB",
"rgb": [
135,
206,
235
],
"hsl": [
197,
71,
73
],
"cmyk": [
43,
12,
0,
8
],
"family": "blue",
"temperature": "cool",
"tone": [
"balanced"
],
"luminance": 0.5529,
"contrast": {
"black": 12.06,
"white": 1.74
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 12.06
},
"description": "Sky Blue is #87CEEB, a cool blue color with balanced character. Compared with Light Sky Blue, it is darker and less saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/sky-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/sky-blue.json"
}
],
"differences": {
"rgbDistance": 15,
"contrastRatio": 1.02,
"hslDelta": {
"hue": 6,
"saturation": 21,
"lightness": 2
},
"luminanceDelta": 0.0091,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [],
"lighterColor": "Light Sky Blue",
"moreSaturatedColor": "Light Sky Blue"
},
"accessibility": {
"pairContrastRatio": 1.02,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Light Sky Blue",
"background": "#87CEFA",
"foreground": "#000000",
"label": "black text",
"ratio": 12.24
},
{
"color": "Sky Blue",
"background": "#87CEEB",
"foreground": "#000000",
"label": "black text",
"ratio": 12.06
}
]
},
"useCases": {
"chooseFirstWhen": "Light Sky Blue is better when the design needs pastel blue character, cool temperature, and the specific HEX value #87CEFA.",
"chooseSecondWhen": "Sky Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #87CEEB.",
"useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
},
"relatedApi": [
"https://www.colorsencyclopedia.com/api/compare/light-sky-blue-vs-sky-blue.json",
"https://www.colorsencyclopedia.com/api/colors/light-sky-blue.json",
"https://www.colorsencyclopedia.com/api/colors/sky-blue.json"
],
"url": "https://www.colorsencyclopedia.com/compare/light-sky-blue-vs-sky-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/light-sky-blue-vs-sky-blue.json"
}