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Colorbook
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Color Information

Green

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#51F181
RGB Values
81, 241, 129
HSL Values
138°, 85%, 63%
CMYK Values
66%, 0%, 46%, 5%

Color Variations & Tints

  • #97F7B4

    Lightness: 78%

  • #80F5A3

    Lightness: 73%

  • #68F392

    Lightness: 68%

  • #51F181

    Lightness: 63%

    Current color

  • #39EF6F

    Lightness: 58%

  • #21ED5E

    Lightness: 53%

  • #12E251

    Lightness: 48%

Accessibility

White Text
1.5
FAIL
Black Text
14.2
PASS
WCAG AA
PASS
WCAG AAA
PASS

Accessibility Guide

Contrast Ratios
Higher values (4.5+) ensure better readability for users with visual impairments.
WCAG AA Standard
Minimum requirement: 4.5:1 contrast for normal text, 3:1 for large text.
WCAG AAA Standard
Enhanced level: 7:1 contrast for normal text, 4.5:1 for large text.

Color Harmonies

  • Complementary

    Colors opposite on the color wheel, creating high contrast

  • Triadic

    Three evenly spaced colors forming a triangle on the color wheel

  • Analogous

    Adjacent colors on the color wheel, creating harmony and unity

Be picky and fine tune your color: colors very near to #51F181

Systematic progression of extremely similar colors. Each color represents a precise step in lightness variation.

Current: #51F181

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