#378E66

#378E66

Color Values

HEX

#378E66

RGB

55, 142, 102

HSL

152.4, 44.2%, 38.6%

HSV

152.4, 61.3%, 55.7%

CMYK

61.3%, 0.0%, 28.2%, 44.3%

OKLCH

0.5829 0.1045 160.5

Properties

Cool Light Nearest: seagreen

Color Harmonies

Complementary

#378E66

#8E375F

Analogous

#378E3A

#378A8E

#378E66

Triadic

#378E66

#66378E

#8E6637

Split Complementary

#378E66

#8E378A

#8E3A37

Tetradic

#378E66

#3A378E

#8E375F

#8A8E37

Color Blindness Simulation

Original

#378E66

Protanopia

#5D5D70

Deuteranopia

#585172

Tritanopia

#3B7779

Achromatopsia

#797979

CSS Usage

background-color: #378E66;
color: #378E66;
border-color: #378E66;
Nearest Tailwind: Emerald 600 #059669

Tailwind Shades

50
#F4FAF8
100
#E6F4EE
200
#CCEBDD
300
#A7DDC4
400
#77CAA4
500
#47B884
600
#39936A
700
#2E7654
800
#245C42
900
#1D4432
950
#122B20

Contrast Checker

Text on white

4.02:1

AA Fail AAA Fail

Text on black

5.22:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026