#378B77 Color
#378B77 is rgb(55, 139, 119) in RGB and hsl(166, 43%, 38%) in HSL. The closest CSS named color is SeaGreen. Black text is most readable on this background.
#378B77
HEX
#378B77RGB
rgb(55, 139, 119)HSL
hsl(166, 43%, 38%)HSV
hsv(166, 60%, 55%)OKLCH
oklch(58% 0.087 174.8)CMYK
cmyk(60%, 0%, 14%, 45%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #378B77 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text4.1:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text5.12:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #378B77 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #378B77, useful for hover states, backgrounds, and text variants.