Nearest-color comparison

Cinnabar vs Vermilion

Cinnabar and Vermilion are different red colors with HEX values #E44D2E and #E34234. According to Colors Encyclopedia, their RGB distance is 12.6, their contrast ratio is 1.06:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Cinnabar and Vermilion are very close colors. Cinnabar is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.06:1, so the pair is too low for text and better treated as a palette relationship.

Cinnabar#E44D2E
Vermilion#E34234

Quick Difference Summary

The main measurable differences between Cinnabar and Vermilion across RGB distance, luminance, hue, saturation, and contrast.

RGB distance12.6
Pair contrast1.06:1
Luminance delta0.0152
Hue delta5 deg
Lighter colorCinnabar
More saturatedCinnabar

Side-by-Side Color Profiles

red color

Cinnabar

Cinnabar is #E44D2E, a warm red color with vibrant character. Compared with Vermilion, it is lighter and more saturated. Use it for branding accents, editorial palettes, and product design, with black text as the safer foreground option.

HEX#E44D2E RGB228, 77, 46 HSL10, 77, 54 CMYK0, 66, 80, 11 Luminance0.22 Best textblack text

red color

Vermilion

Vermilion is #E34234, a warm red color with vibrant character. Compared with Cinnabar, it is darker and less saturated. Use it for branding accents, editorial palettes, and product design, with black text as the safer foreground option.

HEX#E34234 RGB227, 66, 52 HSL5, 76, 55 CMYK0, 71, 77, 11 Luminance0.2048 Best textblack text

When to Use Cinnabar or Vermilion

Choose CinnabarCinnabar is better when the design needs vibrant red character, warm temperature, and the specific HEX value #E44D2E.
Choose VermilionVermilion is better when the design needs vibrant red character, warm temperature, and the specific HEX value #E34234.
Use togetherUse these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs.

Technical Comparison Table

PropertyCinnabarVermilion
HEX#E44D2E#E34234
RGB228, 77, 46227, 66, 52
HSL10, 77, 545, 76, 55
CMYK0, 66, 80, 110, 71, 77, 11
FamilyRedRed
TemperatureWarmWarm
ToneVibrantVibrant
Luminance0.220.2048
Black contrast5.4:15.1:1
White contrast3.89:14.12:1
Shared tonesVibrant

Accessibility and Contrast

Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.

Cinnabarblack text - 5.4:1
Vermilionblack text - 5.1:1

Related Palette Strip

A compact visual strip showing the two compared colors with nearby harmony and variant context.

Cinnabar#E44D2E
Vermilion#E34234
#EF9381#EF9381
#EE8F86#EE8F86
#2FC6E4#2FC6E4
#35D5E3#35D5E3

Machine-readable data

Machine-Readable Cinnabar vs Vermilion Data (JSON)

Structured comparison data for Cinnabar and Vermilion, including color systems, RGB distance, HSL deltas, contrast, accessibility guidance, use cases, and API links.

AI-Ready Dataset v1.0.0
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
Download JSON Open API
Structured sections
Colors
[
  {
    "slug": "cinnabar",
    "name": "Cinnabar",
    "hex": "#E44D2E",
    "rgb": [
      228,
      77,
      46
    ],
    "hsl": [
      10,
      77,
      54
    ],
    "cmyk": [
      0,
      66,
      80,
      11
    ],
    "family": "red",
    "temperature": "warm",
    "tone": [
      "vibrant"
    ],
    "luminance": 0.22,
    "contrast": {
      "black": 5.4,
      "white": 3.89
    },
    "wcag": {
      "AA": [
        "#000000"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 5.4
    },
    "description": "Cinnabar is #E44D2E, a warm red color with vibrant character. Compared with Vermilion, 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/cinnabar/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/cinnabar.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 Cinnabar, it is darker and less 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": 12.6,
  "contrastRatio": 1.06,
  "hslDelta": {
    "hue": 5,
    "saturation": 1,
    "lightness": 1
  },
  "luminanceDelta": 0.0152,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "vibrant"
  ],
  "lighterColor": "Cinnabar",
  "moreSaturatedColor": "Cinnabar"
}
Accessibility
{
  "pairContrastRatio": 1.06,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Cinnabar",
      "background": "#E44D2E",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.4
    },
    {
      "color": "Vermilion",
      "background": "#E34234",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.1
    }
  ]
}
Use cases
{
  "chooseFirstWhen": "Cinnabar is better when the design needs vibrant red character, warm temperature, and the specific HEX value #E44D2E.",
  "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."
}
Related API
[
  "https://www.colorsencyclopedia.com/api/compare/cinnabar-vs-vermilion.json",
  "https://www.colorsencyclopedia.com/api/colors/cinnabar.json",
  "https://www.colorsencyclopedia.com/api/colors/vermilion.json"
]
Full JSON dataset
{
  "datasetVersion": "1.0.0",
  "slug": "cinnabar-vs-vermilion",
  "type": "nearest",
  "name": "Cinnabar vs Vermilion",
  "verdict": "Cinnabar and Vermilion are very close colors. Cinnabar is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.06:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Cinnabar and Vermilion are different red colors with HEX values #E44D2E and #E34234. According to Colors Encyclopedia, their RGB distance is 12.6, their contrast ratio is 1.06:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 12.6,
  "contrastRatio": 1.06,
  "colors": [
    {
      "slug": "cinnabar",
      "name": "Cinnabar",
      "hex": "#E44D2E",
      "rgb": [
        228,
        77,
        46
      ],
      "hsl": [
        10,
        77,
        54
      ],
      "cmyk": [
        0,
        66,
        80,
        11
      ],
      "family": "red",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.22,
      "contrast": {
        "black": 5.4,
        "white": 3.89
      },
      "wcag": {
        "AA": [
          "#000000"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 5.4
      },
      "description": "Cinnabar is #E44D2E, a warm red color with vibrant character. Compared with Vermilion, 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/cinnabar/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/cinnabar.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 Cinnabar, it is darker and less 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": 12.6,
    "contrastRatio": 1.06,
    "hslDelta": {
      "hue": 5,
      "saturation": 1,
      "lightness": 1
    },
    "luminanceDelta": 0.0152,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "vibrant"
    ],
    "lighterColor": "Cinnabar",
    "moreSaturatedColor": "Cinnabar"
  },
  "accessibility": {
    "pairContrastRatio": 1.06,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Cinnabar",
        "background": "#E44D2E",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.4
      },
      {
        "color": "Vermilion",
        "background": "#E34234",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.1
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Cinnabar is better when the design needs vibrant red character, warm temperature, and the specific HEX value #E44D2E.",
    "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/cinnabar-vs-vermilion.json",
    "https://www.colorsencyclopedia.com/api/colors/cinnabar.json",
    "https://www.colorsencyclopedia.com/api/colors/vermilion.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/cinnabar-vs-vermilion/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/cinnabar-vs-vermilion.json"
}