Nearest-color comparison
Ash Gray #B2BEB5 vs Opal #A8C3BC: RGB distance 13.2 and contrast 1.02:1. Compare hue, luminance, saturation, WCAG and practical use.
Ash Gray and Opal are very close, with an RGB distance of 13.2. Opal is lighter by 0.0136, and Opal is more saturated by 10 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 Ash Gray and Opal across RGB distance, luminance, hue, saturation, and contrast.
green color
Ash Gray is #B2BEB5, a cool green with hue 135°, saturation 8% and luminance 0.4963. Beside Opal, it is darker and less saturated. Of the two standard text choices, black text gives the higher contrast at 10.93:1.
green color
Opal is #A8C3BC, a cool green with hue 164°, saturation 18% and luminance 0.5099. Beside Ash Gray, it is lighter and more saturated. Of the two standard text choices, black text gives the higher contrast at 11.2:1.
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 Ash Gray and Opal, 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": "ash-gray",
"name": "Ash Gray",
"hex": "#B2BEB5",
"rgb": [
178,
190,
181
],
"hsl": [
135,
8,
72
],
"cmyk": [
6,
0,
5,
25
],
"family": "green",
"temperature": "cool",
"tone": [
"muted"
],
"luminance": 0.4963,
"contrast": {
"black": 10.93,
"white": 1.92
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 10.93
},
"description": "Ash Gray is #B2BEB5, a cool green color with muted character. Compared with Opal, it is darker and less saturated. Use it for backgrounds, typography, and product surfaces, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/ash-gray/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/ash-gray.json"
},
{
"slug": "opal",
"name": "Opal",
"hex": "#A8C3BC",
"rgb": [
168,
195,
188
],
"hsl": [
164,
18,
71
],
"cmyk": [
14,
0,
4,
24
],
"family": "green",
"temperature": "cool",
"tone": [
"muted"
],
"luminance": 0.5099,
"contrast": {
"black": 11.2,
"white": 1.88
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 11.2
},
"description": "Opal is #A8C3BC, a cool green color with muted character. Compared with Ash Gray, it is lighter and more 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/opal/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/opal.json"
}
]{
"rgbDistance": 13.2,
"contrastRatio": 1.02,
"hslDelta": {
"hue": 29,
"saturation": 10,
"lightness": 1
},
"luminanceDelta": 0.0136,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"muted"
],
"lighterColor": "Opal",
"moreSaturatedColor": "Opal"
}{
"pairContrastRatio": 1.02,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Ash Gray",
"background": "#B2BEB5",
"foreground": "#000000",
"label": "black text",
"ratio": 10.93
},
{
"color": "Opal",
"background": "#A8C3BC",
"foreground": "#000000",
"label": "black text",
"ratio": 11.2
}
]
}{
"chooseFirstWhen": "Ash Gray is better when the design needs muted green character, cool temperature, and the specific HEX value #B2BEB5.",
"chooseSecondWhen": "Opal is better when the design needs muted green character, cool temperature, and the specific HEX value #A8C3BC.",
"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/ash-gray-vs-opal.json",
"https://www.colorsencyclopedia.com/api/colors/ash-gray.json",
"https://www.colorsencyclopedia.com/api/colors/opal.json"
]{
"datasetVersion": "1.0.0",
"slug": "ash-gray-vs-opal",
"type": "nearest",
"name": "Ash Gray vs Opal",
"verdict": "Ash Gray and Opal are very close colors. Opal 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": "Ash Gray and Opal are different green colors with HEX values #B2BEB5 and #A8C3BC. According to Colors Encyclopedia, their RGB distance is 13.2, their contrast ratio is 1.02:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 13.2,
"contrastRatio": 1.02,
"colors": [
{
"slug": "ash-gray",
"name": "Ash Gray",
"hex": "#B2BEB5",
"rgb": [
178,
190,
181
],
"hsl": [
135,
8,
72
],
"cmyk": [
6,
0,
5,
25
],
"family": "green",
"temperature": "cool",
"tone": [
"muted"
],
"luminance": 0.4963,
"contrast": {
"black": 10.93,
"white": 1.92
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 10.93
},
"description": "Ash Gray is #B2BEB5, a cool green color with muted character. Compared with Opal, it is darker and less saturated. Use it for backgrounds, typography, and product surfaces, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/ash-gray/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/ash-gray.json"
},
{
"slug": "opal",
"name": "Opal",
"hex": "#A8C3BC",
"rgb": [
168,
195,
188
],
"hsl": [
164,
18,
71
],
"cmyk": [
14,
0,
4,
24
],
"family": "green",
"temperature": "cool",
"tone": [
"muted"
],
"luminance": 0.5099,
"contrast": {
"black": 11.2,
"white": 1.88
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 11.2
},
"description": "Opal is #A8C3BC, a cool green color with muted character. Compared with Ash Gray, it is lighter and more 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/opal/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/opal.json"
}
],
"differences": {
"rgbDistance": 13.2,
"contrastRatio": 1.02,
"hslDelta": {
"hue": 29,
"saturation": 10,
"lightness": 1
},
"luminanceDelta": 0.0136,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"muted"
],
"lighterColor": "Opal",
"moreSaturatedColor": "Opal"
},
"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": "Ash Gray",
"background": "#B2BEB5",
"foreground": "#000000",
"label": "black text",
"ratio": 10.93
},
{
"color": "Opal",
"background": "#A8C3BC",
"foreground": "#000000",
"label": "black text",
"ratio": 11.2
}
]
},
"useCases": {
"chooseFirstWhen": "Ash Gray is better when the design needs muted green character, cool temperature, and the specific HEX value #B2BEB5.",
"chooseSecondWhen": "Opal is better when the design needs muted green character, cool temperature, and the specific HEX value #A8C3BC.",
"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/ash-gray-vs-opal.json",
"https://www.colorsencyclopedia.com/api/colors/ash-gray.json",
"https://www.colorsencyclopedia.com/api/colors/opal.json"
],
"url": "https://www.colorsencyclopedia.com/compare/ash-gray-vs-opal/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/ash-gray-vs-opal.json"
}