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": "amethyst-deep-vs-iolite",
"type": "nearest",
"name": "Amethyst Deep vs Iolite",
"verdict": "Amethyst Deep and Iolite are very close colors. Iolite is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.12:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Amethyst Deep and Iolite are different purple and blue colors with HEX values #5D3A9B and #5A4C8D. According to Colors Encyclopedia, their RGB distance is 23, their contrast ratio is 1.12:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 23,
"contrastRatio": 1.12,
"colors": [
{
"slug": "amethyst-deep",
"name": "Amethyst Deep",
"hex": "#5D3A9B",
"rgb": [
93,
58,
155
],
"hsl": [
262,
46,
42
],
"cmyk": [
40,
63,
0,
39
],
"family": "purple",
"temperature": "cool",
"tone": [
"jewel-tone"
],
"luminance": 0.0772,
"contrast": {
"black": 2.54,
"white": 8.25
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF",
"#F5F5F5"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 8.25
},
"description": "Amethyst Deep is #5D3A9B, a cool purple color with jewel tone character. Compared with Iolite, it is darker and more saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/amethyst-deep/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/amethyst-deep.json"
},
{
"slug": "iolite",
"name": "Iolite",
"hex": "#5A4C8D",
"rgb": [
90,
76,
141
],
"hsl": [
253,
30,
43
],
"cmyk": [
36,
46,
0,
45
],
"family": "blue",
"temperature": "cool",
"tone": [
"balanced"
],
"luminance": 0.0927,
"contrast": {
"black": 2.85,
"white": 7.36
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 7.36
},
"description": "Iolite is #5A4C8D, a cool blue color with balanced character. Compared with Amethyst Deep, it is lighter and less saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/iolite/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/iolite.json"
}
],
"differences": {
"rgbDistance": 23,
"contrastRatio": 1.12,
"hslDelta": {
"hue": 9,
"saturation": 16,
"lightness": 1
},
"luminanceDelta": 0.0155,
"sameFamily": false,
"sameTemperature": true,
"sharedTones": [],
"lighterColor": "Iolite",
"moreSaturatedColor": "Amethyst Deep"
},
"accessibility": {
"pairContrastRatio": 1.12,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Amethyst Deep",
"background": "#5D3A9B",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 8.25
},
{
"color": "Iolite",
"background": "#5A4C8D",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 7.36
}
]
},
"useCases": {
"chooseFirstWhen": "Amethyst Deep is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #5D3A9B.",
"chooseSecondWhen": "Iolite is better when the design needs balanced blue character, cool temperature, and the specific HEX value #5A4C8D.",
"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/amethyst-deep-vs-iolite.json",
"https://www.colorsencyclopedia.com/api/colors/amethyst-deep.json",
"https://www.colorsencyclopedia.com/api/colors/iolite.json"
],
"url": "https://www.colorsencyclopedia.com/compare/amethyst-deep-vs-iolite/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/amethyst-deep-vs-iolite.json"
}