#21EDD9 Color
#21EDD9 is rgb(33, 237, 217) in RGB and hsl(174, 85%, 53%) in HSL. The closest CSS named color is Turquoise. Black text is most readable on this background.
#21EDD9
HEX
#21EDD9RGB
rgb(33, 237, 217)HSL
hsl(174, 85%, 53%)HSV
hsv(174, 86%, 93%)OKLCH
oklch(85.2% 0.147 183.9)CMYK
cmyk(86%, 0%, 8%, 7%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #21EDD9 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.48:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text14.18:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #21EDD9 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #21EDD9, useful for hover states, backgrounds, and text variants.