Nearest-color comparison
Peacock Blue #005F69 vs Petrol Blue #005F6A: RGB distance 1 and contrast 1:1. Compare hue, luminance, saturation, WCAG and practical use.
Peacock Blue and Petrol Blue are very close, with an RGB distance of 1. Petrol Blue is lighter by 0.0003, and their saturation is equal. Their mutual contrast is 1:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.
The main measurable differences between Peacock Blue and Petrol Blue across RGB distance, luminance, hue, saturation, and contrast.
cyan color
Peacock Blue is #005F69, a cool cyan with hue 186°, saturation 100% and luminance 0.092. Beside Petrol Blue, it is darker and equally saturated. Of the two standard text choices, white text gives the higher contrast at 7.39:1.
cyan color
Petrol Blue is #005F6A, a cool cyan with hue 186°, saturation 100% and luminance 0.0923. Beside Peacock Blue, it is lighter and equally saturated. Of the two standard text choices, white text gives the higher contrast at 7.38:1.
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 Peacock Blue and Petrol 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": "peacock-blue",
"name": "Peacock Blue",
"hex": "#005F69",
"rgb": [
0,
95,
105
],
"hsl": [
186,
100,
21
],
"cmyk": [
100,
10,
0,
59
],
"family": "cyan",
"temperature": "cool",
"tone": [
"dark"
],
"luminance": 0.092,
"contrast": {
"black": 2.84,
"white": 7.39
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 7.39
},
"description": "Peacock Blue is #005F69, a cool cyan color with dark character. Compared with Petrol Blue, it is darker and similar in saturation. Use it for interfaces, brand systems, and technical design, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/peacock-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/peacock-blue.json"
},
{
"slug": "petrol-blue",
"name": "Petrol Blue",
"hex": "#005F6A",
"rgb": [
0,
95,
106
],
"hsl": [
186,
100,
21
],
"cmyk": [
100,
10,
0,
58
],
"family": "cyan",
"temperature": "cool",
"tone": [
"dark"
],
"luminance": 0.0923,
"contrast": {
"black": 2.85,
"white": 7.38
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 7.38
},
"description": "Petrol Blue is #005F6A, a cool cyan color with dark character. Compared with Peacock Blue, it is lighter and similar in saturation. Use it for interfaces, brand systems, and technical design, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/petrol-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/petrol-blue.json"
}
]{
"rgbDistance": 1,
"contrastRatio": 1,
"hslDelta": {
"hue": 0,
"saturation": 0,
"lightness": 0
},
"luminanceDelta": 0.0003,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"dark"
],
"lighterColor": "Petrol Blue",
"moreSaturatedColor": "Peacock Blue"
}{
"pairContrastRatio": 1,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Peacock Blue",
"background": "#005F69",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 7.39
},
{
"color": "Petrol Blue",
"background": "#005F6A",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 7.38
}
]
}{
"chooseFirstWhen": "Peacock Blue is better when the design needs dark cyan character, cool temperature, and the specific HEX value #005F69.",
"chooseSecondWhen": "Petrol Blue is better when the design needs dark cyan character, cool temperature, and the specific HEX value #005F6A.",
"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/peacock-blue-vs-petrol-blue.json",
"https://www.colorsencyclopedia.com/api/colors/peacock-blue.json",
"https://www.colorsencyclopedia.com/api/colors/petrol-blue.json"
]{
"datasetVersion": "1.0.0",
"slug": "peacock-blue-vs-petrol-blue",
"type": "nearest",
"name": "Peacock Blue vs Petrol Blue",
"verdict": "Peacock Blue and Petrol Blue are very close colors. Petrol Blue is the lighter option. They share similar temperature behavior. Their mutual contrast is 1:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Peacock Blue and Petrol Blue are different cyan colors with HEX values #005F69 and #005F6A. According to Colors Encyclopedia, their RGB distance is 1, their contrast ratio is 1:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 1,
"contrastRatio": 1,
"colors": [
{
"slug": "peacock-blue",
"name": "Peacock Blue",
"hex": "#005F69",
"rgb": [
0,
95,
105
],
"hsl": [
186,
100,
21
],
"cmyk": [
100,
10,
0,
59
],
"family": "cyan",
"temperature": "cool",
"tone": [
"dark"
],
"luminance": 0.092,
"contrast": {
"black": 2.84,
"white": 7.39
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 7.39
},
"description": "Peacock Blue is #005F69, a cool cyan color with dark character. Compared with Petrol Blue, it is darker and similar in saturation. Use it for interfaces, brand systems, and technical design, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/peacock-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/peacock-blue.json"
},
{
"slug": "petrol-blue",
"name": "Petrol Blue",
"hex": "#005F6A",
"rgb": [
0,
95,
106
],
"hsl": [
186,
100,
21
],
"cmyk": [
100,
10,
0,
58
],
"family": "cyan",
"temperature": "cool",
"tone": [
"dark"
],
"luminance": 0.0923,
"contrast": {
"black": 2.85,
"white": 7.38
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 7.38
},
"description": "Petrol Blue is #005F6A, a cool cyan color with dark character. Compared with Peacock Blue, it is lighter and similar in saturation. Use it for interfaces, brand systems, and technical design, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/petrol-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/petrol-blue.json"
}
],
"differences": {
"rgbDistance": 1,
"contrastRatio": 1,
"hslDelta": {
"hue": 0,
"saturation": 0,
"lightness": 0
},
"luminanceDelta": 0.0003,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"dark"
],
"lighterColor": "Petrol Blue",
"moreSaturatedColor": "Peacock Blue"
},
"accessibility": {
"pairContrastRatio": 1,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Peacock Blue",
"background": "#005F69",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 7.39
},
{
"color": "Petrol Blue",
"background": "#005F6A",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 7.38
}
]
},
"useCases": {
"chooseFirstWhen": "Peacock Blue is better when the design needs dark cyan character, cool temperature, and the specific HEX value #005F69.",
"chooseSecondWhen": "Petrol Blue is better when the design needs dark cyan character, cool temperature, and the specific HEX value #005F6A.",
"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/peacock-blue-vs-petrol-blue.json",
"https://www.colorsencyclopedia.com/api/colors/peacock-blue.json",
"https://www.colorsencyclopedia.com/api/colors/petrol-blue.json"
],
"url": "https://www.colorsencyclopedia.com/compare/peacock-blue-vs-petrol-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/peacock-blue-vs-petrol-blue.json"
}