#378B66 Color

#378B66 is rgb(55, 139, 102) in RGB and hsl(154, 43%, 38%) in HSL. The closest CSS named color is SeaGreen. Black text is most readable on this background.

#378B66

HEX#378B66

RGBrgb(55, 139, 102)

HSLhsl(154, 43%, 38%)

HSVhsv(154, 60%, 55%)

OKLCHoklch(57.5% 0.1 161.6)

CMYKcmyk(60%, 0%, 27%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #378B66 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.16:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.05:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #378B66 based on color wheel relationships. Click any swatch for its full breakdown.

Base#378B66 Complementary#8B375B Analogous#378B3D Analogous#37858B Triadic#66378B Triadic#8B6637

Tints & Shades

Lighter tints and darker shades of #378B66, useful for hover states, backgrounds, and text variants.

Tints

#44AB7F #5BBE93 #7CCBA8 #99D6BC #BAE3D1 #D7EFE5

Shades

#307859 #29664B #21543E #1C4533 #143326 #0D2118

Use #378B66 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex