#18B4C9 Color
#18B4C9 is rgb(24, 180, 201) in RGB and hsl(187, 79%, 44%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.
#18B4C9
HEX
#18B4C9RGB
rgb(24, 180, 201)HSL
hsl(187, 79%, 44%)HSV
hsv(187, 88%, 79%)OKLCH
oklch(70.7% 0.119 209.9)CMYK
cmyk(88%, 10%, 0%, 21%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #18B4C9 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.5:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text8.41:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #18B4C9 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #18B4C9, useful for hover states, backgrounds, and text variants.