Nearest-color comparison

Persian Red vs Vermilion

Persian Red and Vermilion are different red colors with HEX values #CC3333 and #E34234. According to Colors Encyclopedia, their RGB distance is 27.5, their contrast ratio is 1.25:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Persian Red and Vermilion are visually related colors. Vermilion is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.25:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Persian Red#CC3333

Vermilion#E34234

Quick Difference Summary

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

RGB distance27.5

Pair contrast1.25:1

Luminance delta0.0504

Hue delta5 deg

Lighter colorVermilion

More saturatedVermilion

Side-by-Side Color Profiles

red color

Persian Red

Persian Red is #CC3333, a warm red color with balanced character. Compared with Vermilion, it is darker and less saturated. Use it for historical references, pigment palettes, and cultural color systems, with white text as the safer foreground option.

HEX#CC3333 RGB204, 51, 51 HSL0, 60, 50 CMYK0, 75, 75, 20 Luminance0.1544 Best textwhite text

Color page WCAG HEX atlas

red color

Vermilion

Vermilion is #E34234, a warm red color with vibrant character. Compared with Persian 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.

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

Color page WCAG HEX atlas

When to Use Persian Red or Vermilion

Choose Persian RedPersian Red is better when the design needs balanced red character, warm temperature, and the specific HEX value #CC3333.

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

PropertyPersian RedVermilion

HEX#CC3333#E34234

RGB204, 51, 51227, 66, 52

HSL0, 60, 505, 76, 55

CMYK0, 75, 75, 200, 71, 77, 11

FamilyRedRed

TemperatureWarmWarm

ToneBalancedVibrant

Luminance0.15440.2048

Black contrast4.09:15.1:1

White contrast5.14:14.12:1

Shared tonesNone

Accessibility and Contrast

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

Persian Redwhite text - 5.14:1

Vermilionblack text - 5.1:1

Related Palette Strip

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

Persian Red#CC3333

Vermilion#E34234

#DE7C7C#DE7C7C

#EE8F86#EE8F86

#33CCCC#33CCCC

#35D5E3#35D5E3

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

Structured sections

Colors

[
  {
    "slug": "persian-red",
    "name": "Persian Red",
    "hex": "#CC3333",
    "rgb": [
      204,
      51,
      51
    ],
    "hsl": [
      0,
      60,
      50
    ],
    "cmyk": [
      0,
      75,
      75,
      20
    ],
    "family": "red",
    "temperature": "warm",
    "tone": [
      "balanced"
    ],
    "luminance": 0.1544,
    "contrast": {
      "black": 4.09,
      "white": 5.14
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 5.14
    },
    "description": "Persian Red is #CC3333, a warm red color with balanced character. Compared with Vermilion, it is darker and less saturated. Use it for historical references, pigment palettes, and cultural color systems, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/persian-red/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/persian-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 Persian 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": 27.5,
  "contrastRatio": 1.25,
  "hslDelta": {
    "hue": 5,
    "saturation": 16,
    "lightness": 5
  },
  "luminanceDelta": 0.0504,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [],
  "lighterColor": "Vermilion",
  "moreSaturatedColor": "Vermilion"
}

Accessibility

{
  "pairContrastRatio": 1.25,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Persian Red",
      "background": "#CC3333",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 5.14
    },
    {
      "color": "Vermilion",
      "background": "#E34234",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.1
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Persian Red is better when the design needs balanced red character, warm temperature, and the specific HEX value #CC3333.",
  "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/persian-red-vs-vermilion.json",
  "https://www.colorsencyclopedia.com/api/colors/persian-red.json",
  "https://www.colorsencyclopedia.com/api/colors/vermilion.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "persian-red-vs-vermilion",
  "type": "nearest",
  "name": "Persian Red vs Vermilion",
  "verdict": "Persian Red and Vermilion are visually related colors. Vermilion is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.25:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Persian Red and Vermilion are different red colors with HEX values #CC3333 and #E34234. According to Colors Encyclopedia, their RGB distance is 27.5, their contrast ratio is 1.25:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 27.5,
  "contrastRatio": 1.25,
  "colors": [
    {
      "slug": "persian-red",
      "name": "Persian Red",
      "hex": "#CC3333",
      "rgb": [
        204,
        51,
        51
      ],
      "hsl": [
        0,
        60,
        50
      ],
      "cmyk": [
        0,
        75,
        75,
        20
      ],
      "family": "red",
      "temperature": "warm",
      "tone": [
        "balanced"
      ],
      "luminance": 0.1544,
      "contrast": {
        "black": 4.09,
        "white": 5.14
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 5.14
      },
      "description": "Persian Red is #CC3333, a warm red color with balanced character. Compared with Vermilion, it is darker and less saturated. Use it for historical references, pigment palettes, and cultural color systems, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/persian-red/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/persian-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 Persian 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": 27.5,
    "contrastRatio": 1.25,
    "hslDelta": {
      "hue": 5,
      "saturation": 16,
      "lightness": 5
    },
    "luminanceDelta": 0.0504,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [],
    "lighterColor": "Vermilion",
    "moreSaturatedColor": "Vermilion"
  },
  "accessibility": {
    "pairContrastRatio": 1.25,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Persian Red",
        "background": "#CC3333",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 5.14
      },
      {
        "color": "Vermilion",
        "background": "#E34234",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.1
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Persian Red is better when the design needs balanced red character, warm temperature, and the specific HEX value #CC3333.",
    "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/persian-red-vs-vermilion.json",
    "https://www.colorsencyclopedia.com/api/colors/persian-red.json",
    "https://www.colorsencyclopedia.com/api/colors/vermilion.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/persian-red-vs-vermilion/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/persian-red-vs-vermilion.json"
}