#21731C

#21731C

Color Values

HEX

#21731C

RGB

33, 115, 28

HSL

116.6, 60.8%, 28.0%

HSV

116.6, 75.7%, 45.1%

CMYK

71.3%, 0.0%, 75.7%, 54.9%

OKLCH

0.4884 0.1441 142.3

Properties

Cool Dark Nearest: darkgreen

Color Harmonies

Complementary

#21731C

#6E1C73

Analogous

#4C731C

#1C7342

#21731C

Triadic

#21731C

#1C2173

#731C21

Split Complementary

#21731C

#421C73

#731C4C

Tetradic

#21731C

#1C4C73

#6E1C73

#73421C

Color Blindness Simulation

Original

#21731C

Protanopia

#454531

Deuteranopia

#403A36

Tritanopia

#254245

Achromatopsia

#5B5B5B

CSS Usage

background-color: #21731C;
color: #21731C;
border-color: #21731C;
Nearest Tailwind: Green 700 #15803D

Tailwind Shades

50
#F4FBF3
100
#E5F6E4
200
#C8F1C6
300
#A1E79D
400
#6EDA67
500
#3BCD32
600
#2FA428
700
#268320
800
#1D6719
900
#194B16
950
#102F0E

Contrast Checker

Text on white

5.94:1

AA Pass AAA Fail

Text on black

3.53:1

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