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Colorbook
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Color Information

Cyan

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

HEX Format
#21EFD7
RGB Values
33, 239, 215
HSL Values
173°, 87%, 53%
CMYK Values
86%, 0%, 10%, 6%

Color Variations & Tints

  • #66F4E4

    Lightness: 68%

  • #4FF3E0

    Lightness: 63%

  • #37F1DB

    Lightness: 58%

  • #21EFD7

    Lightness: 53%

    Current color

  • #10E5CC

    Lightness: 48%

  • #0ECDB7

    Lightness: 43%

  • #0DB5A2

    Lightness: 38%

Accessibility

White Text
1.5
FAIL
Black Text
14.4
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 #21EFD7

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

Current: #21EFD7

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