#287C4B

#287C4B

Color Values

HEX

#287C4B

RGB

40, 124, 75

HSL

145.0, 51.2%, 32.2%

HSV

145.0, 67.7%, 48.6%

CMYK

67.7%, 0.0%, 39.5%, 51.4%

OKLCH

0.523 0.1115 153.9

Properties

Cool Dark Nearest: seagreen

Color Harmonies

Complementary

#287C4B

#7C2859

Analogous

#2F7C28

#287C75

#287C4B

Triadic

#287C4B

#4B287C

#7C4B28

Split Complementary

#287C4B

#75287C

#7C282F

Tetradic

#287C4B

#282F7C

#7C2859

#7C7528

Color Blindness Simulation

Original

#287C4B

Protanopia

#4C4D57

Deuteranopia

#48415A

Tritanopia

#2C6062

Achromatopsia

#676767

CSS Usage

background-color: #287C4B;
color: #287C4B;
border-color: #287C4B;
Nearest Tailwind: Green 800 #166534

Tailwind Shades

50
#F4FBF7
100
#E5F5EC
200
#C9EED8
300
#A2E1BD
400
#70D199
500
#3EC175
600
#329A5D
700
#287B4B
800
#1F603A
900
#1A472D
950
#102D1C

Contrast Checker

Text on white

5.15:1

AA Pass AAA Fail

Text on black

4.07:1

AA Fail 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