Nearest-color comparison

Fern Frond vs Olive Drab

Fern Frond and Olive Drab are different green colors with HEX values #657220 and #6B8E23. According to Colors Encyclopedia, their RGB distance is 28.8, their contrast ratio is 1.39:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Fern Frond and Olive Drab are visually related colors. Olive Drab is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.39:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Fern Frond#657220

Olive Drab#6B8E23

Quick Difference Summary

The main measurable differences between Fern Frond and Olive Drab across RGB distance, luminance, hue, saturation, and contrast.

RGB distance28.8

Pair contrast1.39:1

Luminance delta0.0768

Hue delta10 deg

Lighter colorOlive Drab

More saturatedOlive Drab

Side-by-Side Color Profiles

green color

Fern Frond

Fern Frond is #657220, a cool green color with earth tone and jewel tone character. Compared with Olive Drab, it is darker and less saturated. Use it for botanical palettes, natural product design, and seasonal editorial palettes, with white text as the safer foreground option.

HEX#657220 RGB101, 114, 32 HSL70, 56, 29 CMYK11, 0, 72, 55 Luminance0.1491 Best textwhite text

Color page WCAG HEX atlas

green color

Olive Drab

Olive Drab is #6B8E23, a cool green color with earth tone and jewel tone character. Compared with Fern Frond, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.

HEX#6B8E23 RGB107, 142, 35 HSL80, 60, 35 CMYK25, 0, 75, 44 Luminance0.2259 Best textblack text

Color page WCAG HEX atlas

When to Use Fern Frond or Olive Drab

Choose Fern FrondFern Frond is better when the design needs earth tone and jewel tone green character, cool temperature, and the specific HEX value #657220.

Choose Olive DrabOlive Drab is better when the design needs earth tone and jewel tone green character, cool temperature, and the specific HEX value #6B8E23.

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

Technical Comparison Table

PropertyFern FrondOlive Drab

HEX#657220#6B8E23

RGB101, 114, 32107, 142, 35

HSL70, 56, 2980, 60, 35

CMYK11, 0, 72, 5525, 0, 75, 44

FamilyGreenGreen

TemperatureCoolCool

ToneEarth Tone, Jewel ToneEarth Tone, Jewel Tone

Luminance0.14910.2259

Black contrast3.98:15.52:1

White contrast5.27:13.81:1

Shared tonesEarth Tone, Jewel Tone

Accessibility and Contrast

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

Fern Frondwhite text - 5.27:1

Olive Drabblack text - 5.52:1

Related Palette Strip

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

Fern Frond#657220

Olive Leaf#6B8E23

#A5BB35#A5BB35

#9FCF3F#9FCF3F

#2E2173#2E2173

#47248F#47248F

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": "fern-frond",
    "name": "Fern Frond",
    "hex": "#657220",
    "rgb": [
      101,
      114,
      32
    ],
    "hsl": [
      70,
      56,
      29
    ],
    "cmyk": [
      11,
      0,
      72,
      55
    ],
    "family": "green",
    "temperature": "cool",
    "tone": [
      "earth-tone",
      "jewel-tone"
    ],
    "luminance": 0.1491,
    "contrast": {
      "black": 3.98,
      "white": 5.27
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 5.27
    },
    "description": "Fern Frond is #657220, a cool green color with earth tone and jewel tone character. Compared with Olive Drab, it is darker and less saturated. Use it for botanical palettes, natural product design, and seasonal editorial palettes, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/fern-frond/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/fern-frond.json"
  },
  {
    "slug": "olive-drab",
    "name": "Olive Drab",
    "hex": "#6B8E23",
    "rgb": [
      107,
      142,
      35
    ],
    "hsl": [
      80,
      60,
      35
    ],
    "cmyk": [
      25,
      0,
      75,
      44
    ],
    "family": "green",
    "temperature": "cool",
    "tone": [
      "earth-tone",
      "jewel-tone"
    ],
    "luminance": 0.2259,
    "contrast": {
      "black": 5.52,
      "white": 3.81
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 5.52
    },
    "description": "Olive Drab is #6B8E23, a cool green color with earth tone and jewel tone character. Compared with Fern Frond, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/olive-drab/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/olive-drab.json"
  }
]

Differences

{
  "rgbDistance": 28.8,
  "contrastRatio": 1.39,
  "hslDelta": {
    "hue": 10,
    "saturation": 4,
    "lightness": 6
  },
  "luminanceDelta": 0.0768,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "earth-tone",
    "jewel-tone"
  ],
  "lighterColor": "Olive Drab",
  "moreSaturatedColor": "Olive Drab"
}

Accessibility

{
  "pairContrastRatio": 1.39,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Fern Frond",
      "background": "#657220",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 5.27
    },
    {
      "color": "Olive Drab",
      "background": "#6B8E23",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.52
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Fern Frond is better when the design needs earth tone and jewel tone green character, cool temperature, and the specific HEX value #657220.",
  "chooseSecondWhen": "Olive Drab is better when the design needs earth tone and jewel tone green character, cool temperature, and the specific HEX value #6B8E23.",
  "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/fern-frond-vs-olive-drab.json",
  "https://www.colorsencyclopedia.com/api/colors/fern-frond.json",
  "https://www.colorsencyclopedia.com/api/colors/olive-drab.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "fern-frond-vs-olive-drab",
  "type": "nearest",
  "name": "Fern Frond vs Olive Drab",
  "verdict": "Fern Frond and Olive Drab are visually related colors. Olive Drab is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.39:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Fern Frond and Olive Drab are different green colors with HEX values #657220 and #6B8E23. According to Colors Encyclopedia, their RGB distance is 28.8, their contrast ratio is 1.39:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 28.8,
  "contrastRatio": 1.39,
  "colors": [
    {
      "slug": "fern-frond",
      "name": "Fern Frond",
      "hex": "#657220",
      "rgb": [
        101,
        114,
        32
      ],
      "hsl": [
        70,
        56,
        29
      ],
      "cmyk": [
        11,
        0,
        72,
        55
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone",
        "jewel-tone"
      ],
      "luminance": 0.1491,
      "contrast": {
        "black": 3.98,
        "white": 5.27
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 5.27
      },
      "description": "Fern Frond is #657220, a cool green color with earth tone and jewel tone character. Compared with Olive Drab, it is darker and less saturated. Use it for botanical palettes, natural product design, and seasonal editorial palettes, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/fern-frond/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/fern-frond.json"
    },
    {
      "slug": "olive-drab",
      "name": "Olive Drab",
      "hex": "#6B8E23",
      "rgb": [
        107,
        142,
        35
      ],
      "hsl": [
        80,
        60,
        35
      ],
      "cmyk": [
        25,
        0,
        75,
        44
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone",
        "jewel-tone"
      ],
      "luminance": 0.2259,
      "contrast": {
        "black": 5.52,
        "white": 3.81
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 5.52
      },
      "description": "Olive Drab is #6B8E23, a cool green color with earth tone and jewel tone character. Compared with Fern Frond, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/olive-drab/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/olive-drab.json"
    }
  ],
  "differences": {
    "rgbDistance": 28.8,
    "contrastRatio": 1.39,
    "hslDelta": {
      "hue": 10,
      "saturation": 4,
      "lightness": 6
    },
    "luminanceDelta": 0.0768,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "earth-tone",
      "jewel-tone"
    ],
    "lighterColor": "Olive Drab",
    "moreSaturatedColor": "Olive Drab"
  },
  "accessibility": {
    "pairContrastRatio": 1.39,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Fern Frond",
        "background": "#657220",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 5.27
      },
      {
        "color": "Olive Drab",
        "background": "#6B8E23",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.52
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Fern Frond is better when the design needs earth tone and jewel tone green character, cool temperature, and the specific HEX value #657220.",
    "chooseSecondWhen": "Olive Drab is better when the design needs earth tone and jewel tone green character, cool temperature, and the specific HEX value #6B8E23.",
    "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/fern-frond-vs-olive-drab.json",
    "https://www.colorsencyclopedia.com/api/colors/fern-frond.json",
    "https://www.colorsencyclopedia.com/api/colors/olive-drab.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/fern-frond-vs-olive-drab/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/fern-frond-vs-olive-drab.json"
}