Nearest-color comparison

Alexandrite vs Viridian

Alexandrite and Viridian are different green colors with HEX values #3D8B74 and #40826D. According to Colors Encyclopedia, their RGB distance is 11.8, their contrast ratio is 1.11:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Alexandrite and Viridian are very close colors. Alexandrite 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.

Differences Use cases Accessibility JSON

Alexandrite#3D8B74

Viridian#40826D

Quick Difference Summary

The main measurable differences between Alexandrite and Viridian across RGB distance, luminance, hue, saturation, and contrast.

RGB distance11.8

Pair contrast1.11:1

Luminance delta0.0256

Hue delta1 deg

Lighter colorAlexandrite

More saturatedAlexandrite

Side-by-Side Color Profiles

green color

Alexandrite

Alexandrite is #3D8B74, a cool green color with earth tone character. Compared with Viridian, it is lighter and more saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with black text as the safer foreground option.

HEX#3D8B74 RGB61, 139, 116 HSL162, 39, 39 CMYK56, 0, 17, 45 Luminance0.2072 Best textblack text

Color page WCAG HEX atlas

green color

Viridian

Viridian is #40826D, a cool green color with earth tone character. Compared with Alexandrite, it is darker and less saturated. Use it for historical references, pigment palettes, and cultural color systems, with black text as the safer foreground option.

HEX#40826D RGB64, 130, 109 HSL161, 34, 38 CMYK51, 0, 16, 49 Luminance0.1816 Best textblack text

Color page WCAG HEX atlas

When to Use Alexandrite or Viridian

Choose AlexandriteAlexandrite is better when the design needs earth tone green character, cool temperature, and the specific HEX value #3D8B74.

Choose ViridianViridian is better when the design needs earth tone green character, cool temperature, and the specific HEX value #40826D.

Use togetherUse these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs.

Technical Comparison Table

PropertyAlexandriteViridian

HEX#3D8B74#40826D

RGB61, 139, 11664, 130, 109

HSL162, 39, 39161, 34, 38

CMYK56, 0, 17, 4551, 0, 16, 49

FamilyGreenGreen

TemperatureCoolCool

ToneEarth ToneEarth Tone

Luminance0.20720.1816

Black contrast5.14:14.63:1

White contrast4.08:14.53:1

Shared tonesEarth Tone

Accessibility and Contrast

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

Alexandriteblack text - 5.14:1

Viridianblack text - 4.63:1

Related Palette Strip

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

Alexandrite#3D8B74

Viridian#40826D

#67BCA2#67BCA2

#69B59D#69B59D

#8A3D54#8A3D54

#824055#824055

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": "alexandrite",
    "name": "Alexandrite",
    "hex": "#3D8B74",
    "rgb": [
      61,
      139,
      116
    ],
    "hsl": [
      162,
      39,
      39
    ],
    "cmyk": [
      56,
      0,
      17,
      45
    ],
    "family": "green",
    "temperature": "cool",
    "tone": [
      "earth-tone"
    ],
    "luminance": 0.2072,
    "contrast": {
      "black": 5.14,
      "white": 4.08
    },
    "wcag": {
      "AA": [
        "#000000"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 5.14
    },
    "description": "Alexandrite is #3D8B74, a cool green color with earth tone character. Compared with Viridian, it is lighter and more saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/alexandrite/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/alexandrite.json"
  },
  {
    "slug": "viridian",
    "name": "Viridian",
    "hex": "#40826D",
    "rgb": [
      64,
      130,
      109
    ],
    "hsl": [
      161,
      34,
      38
    ],
    "cmyk": [
      51,
      0,
      16,
      49
    ],
    "family": "green",
    "temperature": "cool",
    "tone": [
      "earth-tone"
    ],
    "luminance": 0.1816,
    "contrast": {
      "black": 4.63,
      "white": 4.53
    },
    "wcag": {
      "AA": [
        "#000000",
        "#FFFFFF"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 4.63
    },
    "description": "Viridian is #40826D, a cool green color with earth tone character. Compared with Alexandrite, it is darker and less saturated. Use it for historical references, pigment palettes, and cultural color systems, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/viridian/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/viridian.json"
  }
]

Differences

{
  "rgbDistance": 11.8,
  "contrastRatio": 1.11,
  "hslDelta": {
    "hue": 1,
    "saturation": 5,
    "lightness": 1
  },
  "luminanceDelta": 0.0256,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "earth-tone"
  ],
  "lighterColor": "Alexandrite",
  "moreSaturatedColor": "Alexandrite"
}

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": "Alexandrite",
      "background": "#3D8B74",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.14
    },
    {
      "color": "Viridian",
      "background": "#40826D",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 4.63
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Alexandrite is better when the design needs earth tone green character, cool temperature, and the specific HEX value #3D8B74.",
  "chooseSecondWhen": "Viridian is better when the design needs earth tone green character, cool temperature, and the specific HEX value #40826D.",
  "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/alexandrite-vs-viridian.json",
  "https://www.colorsencyclopedia.com/api/colors/alexandrite.json",
  "https://www.colorsencyclopedia.com/api/colors/viridian.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "alexandrite-vs-viridian",
  "type": "nearest",
  "name": "Alexandrite vs Viridian",
  "verdict": "Alexandrite and Viridian are very close colors. Alexandrite 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": "Alexandrite and Viridian are different green colors with HEX values #3D8B74 and #40826D. According to Colors Encyclopedia, their RGB distance is 11.8, their contrast ratio is 1.11:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 11.8,
  "contrastRatio": 1.11,
  "colors": [
    {
      "slug": "alexandrite",
      "name": "Alexandrite",
      "hex": "#3D8B74",
      "rgb": [
        61,
        139,
        116
      ],
      "hsl": [
        162,
        39,
        39
      ],
      "cmyk": [
        56,
        0,
        17,
        45
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.2072,
      "contrast": {
        "black": 5.14,
        "white": 4.08
      },
      "wcag": {
        "AA": [
          "#000000"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 5.14
      },
      "description": "Alexandrite is #3D8B74, a cool green color with earth tone character. Compared with Viridian, it is lighter and more saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/alexandrite/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/alexandrite.json"
    },
    {
      "slug": "viridian",
      "name": "Viridian",
      "hex": "#40826D",
      "rgb": [
        64,
        130,
        109
      ],
      "hsl": [
        161,
        34,
        38
      ],
      "cmyk": [
        51,
        0,
        16,
        49
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.1816,
      "contrast": {
        "black": 4.63,
        "white": 4.53
      },
      "wcag": {
        "AA": [
          "#000000",
          "#FFFFFF"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 4.63
      },
      "description": "Viridian is #40826D, a cool green color with earth tone character. Compared with Alexandrite, it is darker and less saturated. Use it for historical references, pigment palettes, and cultural color systems, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/viridian/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/viridian.json"
    }
  ],
  "differences": {
    "rgbDistance": 11.8,
    "contrastRatio": 1.11,
    "hslDelta": {
      "hue": 1,
      "saturation": 5,
      "lightness": 1
    },
    "luminanceDelta": 0.0256,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "earth-tone"
    ],
    "lighterColor": "Alexandrite",
    "moreSaturatedColor": "Alexandrite"
  },
  "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": "Alexandrite",
        "background": "#3D8B74",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.14
      },
      {
        "color": "Viridian",
        "background": "#40826D",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 4.63
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Alexandrite is better when the design needs earth tone green character, cool temperature, and the specific HEX value #3D8B74.",
    "chooseSecondWhen": "Viridian is better when the design needs earth tone green character, cool temperature, and the specific HEX value #40826D.",
    "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/alexandrite-vs-viridian.json",
    "https://www.colorsencyclopedia.com/api/colors/alexandrite.json",
    "https://www.colorsencyclopedia.com/api/colors/viridian.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/alexandrite-vs-viridian/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/alexandrite-vs-viridian.json"
}