Free Developer Tool
Color Converter & Contrast Tool
Convert between HEX, RGB, HSL, HSB/HSV, and CMYK; check WCAG AA/AAA contrast ratio with a live text preview; and generate 6 harmony palettes from any base color. All in your browser, nothing sent anywhere.
Tool
Convert
Try:
HEX
#ff6b00
RGB
rgb(255, 107, 0)
HSL
hsl(25, 100%, 50%)
HSB/HSV
hsb(25, 100%, 100%)
CMYK
cmyk(0%, 58%, 100%, 0%)
WCAG Contrast Checker
Try:
The quick brown foxjumps over the lazy dog — sample text preview
Contrast ratio19.80:1
AA · Normal text (≥4.5) Pass
AAA · Normal text (≥7) Pass
AA · Large text (18pt+/14pt bold) (≥3) Pass
AAA · Large text (≥4.5) Pass
AA · UI components & graphics (≥3) Pass
Harmony palettes
Complementary
#ff6b00
#0094ff
Analogous
#ff0014
#ff6b00
#ffeb00
Triadic
#ff6b00
#00ff6b
#6b00ff
Split-complementary
#ff6b00
#00ffeb
#0014ff
Tetradic
#ff6b00
#14ff00
#0094ff
#eb00ff
Monochromatic
#662b00
#b34b00
#ff6b00
#ff974d
#ffc499
Everything runs entirely in your browser — nothing is sent to a server.
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FAQ