#66E1F9 Color
#66E1F9 is rgb(102, 225, 249) in RGB and hsl(190, 92%, 69%) in HSL. The closest CSS named color is LightSkyBlue. Black text is most readable on this background.
#66E1F9
HEX
#66E1F9RGB
rgb(102, 225, 249)HSL
hsl(190, 92%, 69%)HSV
hsv(190, 59%, 98%)OKLCH
oklch(84.9% 0.114 212.4)CMYK
cmyk(59%, 10%, 0%, 2%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66E1F9 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.53:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text13.7:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66E1F9 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66E1F9, useful for hover states, backgrounds, and text variants.