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Colorbook
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Color Information

Black

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

HEX Format
#51C148
RGB Values
81, 193, 72
HSL Values
116°, 49%, 52%
CMYK Values
58%, 0%, 63%, 24%

Color Variations & Tints

  • #87D482

    Lightness: 67%

  • #75CE6F

    Lightness: 62%

  • #63C75C

    Lightness: 57%

  • #51C148

    Lightness: 52%

    Current color

  • #45B33D

    Lightness: 47%

  • #3EA037

    Lightness: 42%

  • #368D30

    Lightness: 37%

Accessibility

White Text
2.3
FAIL
Black Text
9.1
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 #51C148

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

Current: #51C148

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