colorsBoth named color records with HEX, RGB, HSL, CMYK, luminance, WCAG, and links
differencesRGB distance, HSL deltas, luminance delta, contrast, and shared attributes
accessibilityPair contrast and safer text choices for each color
useCasesWhen to choose each color and when to use them together
relatedApiMachine-readable comparison and color endpoints
Full JSON dataset
{
"datasetVersion": "1.0.0",
"slug": "poppy-red-vs-vermilion",
"type": "nearest",
"name": "Poppy Red vs Vermilion",
"verdict": "Poppy Red and Vermilion are very close colors. Vermilion is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.11:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Poppy Red and Vermilion are different red colors with HEX values #DC343B and #E34234. According to Colors Encyclopedia, their RGB distance is 17.1, their contrast ratio is 1.11:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 17.1,
"contrastRatio": 1.11,
"colors": [
{
"slug": "poppy-red",
"name": "Poppy Red",
"hex": "#DC343B",
"rgb": [
220,
52,
59
],
"hsl": [
358,
71,
53
],
"cmyk": [
0,
76,
73,
14
],
"family": "red",
"temperature": "warm",
"tone": [
"balanced"
],
"luminance": 0.1799,
"contrast": {
"black": 4.6,
"white": 4.57
},
"wcag": {
"AA": [
"#000000",
"#FFFFFF"
],
"AAA": []
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 4.6
},
"description": "Poppy Red is #DC343B, a warm red color with balanced character. Compared with Vermilion, it is darker and less saturated. Use it for botanical palettes, natural product design, and seasonal editorial palettes, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/poppy-red/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/poppy-red.json"
},
{
"slug": "vermilion",
"name": "Vermilion",
"hex": "#E34234",
"rgb": [
227,
66,
52
],
"hsl": [
5,
76,
55
],
"cmyk": [
0,
71,
77,
11
],
"family": "red",
"temperature": "warm",
"tone": [
"vibrant"
],
"luminance": 0.2048,
"contrast": {
"black": 5.1,
"white": 4.12
},
"wcag": {
"AA": [
"#000000"
],
"AAA": []
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 5.1
},
"description": "Vermilion is #E34234, a warm red color with vibrant character. Compared with Poppy Red, it is lighter and more saturated. Use it for branding accents, editorial palettes, and product design, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/vermilion/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/vermilion.json"
}
],
"differences": {
"rgbDistance": 17.1,
"contrastRatio": 1.11,
"hslDelta": {
"hue": 353,
"saturation": 5,
"lightness": 2
},
"luminanceDelta": 0.0249,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [],
"lighterColor": "Vermilion",
"moreSaturatedColor": "Vermilion"
},
"accessibility": {
"pairContrastRatio": 1.11,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Poppy Red",
"background": "#DC343B",
"foreground": "#000000",
"label": "black text",
"ratio": 4.6
},
{
"color": "Vermilion",
"background": "#E34234",
"foreground": "#000000",
"label": "black text",
"ratio": 5.1
}
]
},
"useCases": {
"chooseFirstWhen": "Poppy Red is better when the design needs balanced red character, warm temperature, and the specific HEX value #DC343B.",
"chooseSecondWhen": "Vermilion is better when the design needs vibrant red character, warm temperature, and the specific HEX value #E34234.",
"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/poppy-red-vs-vermilion.json",
"https://www.colorsencyclopedia.com/api/colors/poppy-red.json",
"https://www.colorsencyclopedia.com/api/colors/vermilion.json"
],
"url": "https://www.colorsencyclopedia.com/compare/poppy-red-vs-vermilion/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/poppy-red-vs-vermilion.json"
}