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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
#678C40
RGB Values
103, 140, 64
HSL Values
89°, 37%, 40%
CMYK Values
26%, 0%, 54%, 45%

Color Variations & Tints

  • #8EB762

    Lightness: 55%

  • #81AF50

    Lightness: 50%

  • #749D48

    Lightness: 45%

  • #678C40

    Lightness: 40%

    Current color

  • #5A7A38

    Lightness: 35%

  • #4D6930

    Lightness: 30%

  • #415728

    Lightness: 25%

Accessibility

White Text
3.9
FAIL
Black Text
5.4
PASS
WCAG AA
PASS
WCAG AAA
FAIL

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 #678C40

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

Current: #678C40

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