#378E63

#378E63

Color Values

HEX

#378E63

RGB

55, 142, 99

HSL

150.3, 44.2%, 38.6%

HSV

150.3, 61.3%, 55.7%

CMYK

61.3%, 0.0%, 30.3%, 44.3%

OKLCH

0.5822 0.1073 158.7

Properties

Cool Light Nearest: seagreen

Color Harmonies

Complementary

#378E63

#8E3762

Analogous

#378E37

#378E8E

#378E63

Triadic

#378E63

#63378E

#8E6337

Split Complementary

#378E63

#8E378E

#8E3737

Tetradic

#378E63

#37378E

#8E3762

#8E8E37

Color Blindness Simulation

Original

#378E63

Protanopia

#5D5D6D

Deuteranopia

#585170

Tritanopia

#3B7677

Achromatopsia

#787878

CSS Usage

background-color: #378E63;
color: #378E63;
border-color: #378E63;
Nearest Tailwind: Emerald 600 #059669

Tailwind Shades

50
#F4FAF7
100
#E6F4ED
200
#CCEBDB
300
#A7DDC2
400
#77CAA1
500
#47B880
600
#399366
700
#2E7652
800
#245C40
900
#1D4431
950
#122B1F

Contrast Checker

Text on white

4.03:1

AA Fail AAA Fail

Text on black

5.21:1

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