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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
#ACDF15
RGB Values
172, 223, 21
HSL Values
75°, 83%, 48%
CMYK Values
23%, 0%, 91%, 13%

Color Variations & Tints

  • #C8EF52

    Lightness: 63%

  • #C0ED3B

    Lightness: 58%

  • #B9EB24

    Lightness: 53%

  • #ACDF15

    Lightness: 48%

    Current color

  • #9BC913

    Lightness: 43%

  • #89B110

    Lightness: 38%

  • #779A0E

    Lightness: 33%

Accessibility

White Text
1.6
FAIL
Black Text
13.3
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 #ACDF15

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

Current: #ACDF15

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