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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
#3FA338
RGB Values
63, 163, 56
HSL Values
116°, 49%, 43%
CMYK Values
61%, 0%, 66%, 36%

Color Variations & Tints

  • #66C85F

    Lightness: 58%

  • #54C24C

    Lightness: 53%

  • #46B63E

    Lightness: 48%

  • #3FA338

    Lightness: 43%

    Current color

  • #389031

    Lightness: 38%

  • #307D2B

    Lightness: 33%

  • #296A24

    Lightness: 28%

Accessibility

White Text
3.2
FAIL
Black Text
6.5
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 #3FA338

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

Current: #3FA338

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