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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
#666E03
RGB Values
102, 110, 3
HSL Values
64°, 95%, 22%
CMYK Values
7%, 0%, 97%, 57%

Color Variations & Tints

  • #ACB805

    Lightness: 37%

  • #959F04

    Lightness: 32%

  • #7E8603

    Lightness: 27%

  • #666E03

    Lightness: 22%

    Current color

  • #4F5502

    Lightness: 17%

  • #383C02

    Lightness: 12%

  • #212301

    Lightness: 7%

Accessibility

White Text
5.5
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 #666E03

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

Current: #666E03

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