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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
#287644
RGB Values
40, 118, 68
HSL Values
142°, 49%, 31%
CMYK Values
66%, 0%, 42%, 54%

Color Variations & Tints

  • #3CAF66

    Lightness: 46%

  • #359C5B

    Lightness: 41%

  • #2F8950

    Lightness: 36%

  • #287644

    Lightness: 31%

    Current color

  • #22633A

    Lightness: 26%

  • #1B502F

    Lightness: 21%

  • #153D23

    Lightness: 16%

Accessibility

White Text
5.6
PASS
Black Text
3.8
FAIL
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 #287644

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

Current: #287644

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