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Colorbook
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Color Information

Yellow

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

HEX Format
#CDC900
RGB Values
205, 201, 0
HSL Values
59°, 100%, 40%
CMYK Values
0%, 2%, 100%, 20%

Color Variations & Tints

  • #FFFB1A

    Lightness: 55%

  • #FFFB00

    Lightness: 50%

  • #E6E200

    Lightness: 45%

  • #CDC900

    Lightness: 40%

    Current color

  • #B3B000

    Lightness: 35%

  • #999600

    Lightness: 30%

  • #807D00

    Lightness: 25%

Accessibility

White Text
1.8
FAIL
Black Text
12.0
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 #CDC900

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

Current: #CDC900

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