Nearest-color comparison
Turquoise #40E0D0 vs Aquamarine Blue #6BCAE2: RGB distance 51.5 and contrast 1.15:1. Compare hue, luminance, saturation, WCAG and practical use.
Turquoise and Aquamarine Blue are related but distinguishable, with an RGB distance of 51.5. Turquoise is lighter by 0.081, and Turquoise is more saturated by 5 percentage points. Their mutual contrast is 1.15:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.
The main measurable differences between Turquoise and Aquamarine Blue across RGB distance, luminance, hue, saturation, and contrast.
cyan color
Turquoise is #40E0D0, a cool cyan with hue 174°, saturation 72% and luminance 0.5896. Beside Aquamarine Blue, it is lighter and more saturated. Of the two standard text choices, black text gives the higher contrast at 12.79:1.
cyan color
Aquamarine Blue is #6BCAE2, a cool cyan with hue 192°, saturation 67% and luminance 0.5086. Beside Turquoise, it is darker and less saturated. Of the two standard text choices, black text gives the higher contrast at 11.17:1.
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 Turquoise and Aquamarine 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": "turquoise",
"name": "Turquoise",
"hex": "#40E0D0",
"rgb": [
64,
224,
208
],
"hsl": [
174,
72,
56
],
"cmyk": [
71,
0,
7,
12
],
"family": "cyan",
"temperature": "cool",
"tone": [
"bright",
"vibrant"
],
"luminance": 0.5896,
"contrast": {
"black": 12.79,
"white": 1.64
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 12.79
},
"description": "Turquoise is #40E0D0, a cool cyan color with bright and vibrant character. Compared with Aquamarine Blue, it is lighter and more saturated. Use it for travel, summer palettes, and playful interfaces, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/turquoise/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/turquoise.json"
},
{
"slug": "aquamarine-blue",
"name": "Aquamarine Blue",
"hex": "#6BCAE2",
"rgb": [
107,
202,
226
],
"hsl": [
192,
67,
65
],
"cmyk": [
53,
11,
0,
11
],
"family": "cyan",
"temperature": "cool",
"tone": [
"balanced"
],
"luminance": 0.5086,
"contrast": {
"black": 11.17,
"white": 1.88
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 11.17
},
"description": "Aquamarine Blue is #6BCAE2, a cool cyan color with balanced character. Compared with Turquoise, it is darker and less saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/aquamarine-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/aquamarine-blue.json"
}
]{
"rgbDistance": 51.5,
"contrastRatio": 1.15,
"hslDelta": {
"hue": 18,
"saturation": 5,
"lightness": 9
},
"luminanceDelta": 0.081,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [],
"lighterColor": "Turquoise",
"moreSaturatedColor": "Turquoise"
}{
"pairContrastRatio": 1.15,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Turquoise",
"background": "#40E0D0",
"foreground": "#000000",
"label": "black text",
"ratio": 12.79
},
{
"color": "Aquamarine Blue",
"background": "#6BCAE2",
"foreground": "#000000",
"label": "black text",
"ratio": 11.17
}
]
}{
"chooseFirstWhen": "Turquoise is better when the design needs bright and vibrant cyan character, cool temperature, and the specific HEX value #40E0D0.",
"chooseSecondWhen": "Aquamarine Blue is better when the design needs balanced cyan character, cool temperature, and the specific HEX value #6BCAE2.",
"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/turquoise-vs-aquamarine-blue.json",
"https://www.colorsencyclopedia.com/api/colors/turquoise.json",
"https://www.colorsencyclopedia.com/api/colors/aquamarine-blue.json"
]{
"datasetVersion": "1.0.0",
"slug": "turquoise-vs-aquamarine-blue",
"type": "nearest",
"name": "Turquoise vs Aquamarine Blue",
"verdict": "Turquoise and Aquamarine Blue are visually related colors. Turquoise is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.15:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Turquoise and Aquamarine Blue are different cyan colors with HEX values #40E0D0 and #6BCAE2. According to Colors Encyclopedia, their RGB distance is 51.5, their contrast ratio is 1.15:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 51.5,
"contrastRatio": 1.15,
"colors": [
{
"slug": "turquoise",
"name": "Turquoise",
"hex": "#40E0D0",
"rgb": [
64,
224,
208
],
"hsl": [
174,
72,
56
],
"cmyk": [
71,
0,
7,
12
],
"family": "cyan",
"temperature": "cool",
"tone": [
"bright",
"vibrant"
],
"luminance": 0.5896,
"contrast": {
"black": 12.79,
"white": 1.64
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 12.79
},
"description": "Turquoise is #40E0D0, a cool cyan color with bright and vibrant character. Compared with Aquamarine Blue, it is lighter and more saturated. Use it for travel, summer palettes, and playful interfaces, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/turquoise/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/turquoise.json"
},
{
"slug": "aquamarine-blue",
"name": "Aquamarine Blue",
"hex": "#6BCAE2",
"rgb": [
107,
202,
226
],
"hsl": [
192,
67,
65
],
"cmyk": [
53,
11,
0,
11
],
"family": "cyan",
"temperature": "cool",
"tone": [
"balanced"
],
"luminance": 0.5086,
"contrast": {
"black": 11.17,
"white": 1.88
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 11.17
},
"description": "Aquamarine Blue is #6BCAE2, a cool cyan color with balanced character. Compared with Turquoise, it is darker and less saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/aquamarine-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/aquamarine-blue.json"
}
],
"differences": {
"rgbDistance": 51.5,
"contrastRatio": 1.15,
"hslDelta": {
"hue": 18,
"saturation": 5,
"lightness": 9
},
"luminanceDelta": 0.081,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [],
"lighterColor": "Turquoise",
"moreSaturatedColor": "Turquoise"
},
"accessibility": {
"pairContrastRatio": 1.15,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Turquoise",
"background": "#40E0D0",
"foreground": "#000000",
"label": "black text",
"ratio": 12.79
},
{
"color": "Aquamarine Blue",
"background": "#6BCAE2",
"foreground": "#000000",
"label": "black text",
"ratio": 11.17
}
]
},
"useCases": {
"chooseFirstWhen": "Turquoise is better when the design needs bright and vibrant cyan character, cool temperature, and the specific HEX value #40E0D0.",
"chooseSecondWhen": "Aquamarine Blue is better when the design needs balanced cyan character, cool temperature, and the specific HEX value #6BCAE2.",
"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/turquoise-vs-aquamarine-blue.json",
"https://www.colorsencyclopedia.com/api/colors/turquoise.json",
"https://www.colorsencyclopedia.com/api/colors/aquamarine-blue.json"
],
"url": "https://www.colorsencyclopedia.com/compare/turquoise-vs-aquamarine-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/turquoise-vs-aquamarine-blue.json"
}