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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
#21CB69
RGB Values
33, 203, 105
HSL Values
145°, 72%, 46%
CMYK Values
84%, 0%, 48%, 20%

Color Variations & Tints

  • #54E390

    Lightness: 61%

  • #3EE081

    Lightness: 56%

  • #28DC73

    Lightness: 51%

  • #21CB69

    Lightness: 46%

    Current color

  • #1DB45C

    Lightness: 41%

  • #1A9E51

    Lightness: 36%

  • #168846

    Lightness: 31%

Accessibility

White Text
2.1
FAIL
Black Text
9.8
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 #21CB69

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

Current: #21CB69

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