#66A38A Color
#66A38A is rgb(102, 163, 138) in RGB and hsl(155, 25%, 52%) in HSL. The closest CSS named color is CadetBlue. Black text is most readable on this background.
#66A38A
HEX
#66A38ARGB
rgb(102, 163, 138)HSL
hsl(155, 25%, 52%)HSV
hsv(155, 37%, 64%)OKLCH
oklch(66.6% 0.074 166.3)CMYK
cmyk(37%, 0%, 15%, 36%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66A38A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.93:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.17:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66A38A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66A38A, useful for hover states, backgrounds, and text variants.