#21821F

#21821F

Color Values

HEX

#21821F

RGB

33, 130, 31

HSL

118.8, 61.5%, 31.6%

HSV

118.8, 76.2%, 51.0%

CMYK

74.6%, 0.0%, 76.2%, 49.0%

OKLCH

0.5318 0.1603 142.7

Properties

Cool Dark Nearest: forestgreen

Color Harmonies

Complementary

#21821F

#801F82

Analogous

#53821F

#1F824F

#21821F

Triadic

#21821F

#1F2182

#821F21

Split Complementary

#21821F

#4F1F82

#821F53

Tetradic

#21821F

#1F5382

#801F82

#824F1F

Color Blindness Simulation

Original

#21821F

Protanopia

#4B4C37

Deuteranopia

#453E3D

Tritanopia

#264A4E

Achromatopsia

#666666

CSS Usage

background-color: #21821F;
color: #21821F;
border-color: #21821F;
Nearest Tailwind: Green 700 #15803D

Tailwind Shades

50
#F4FBF3
100
#E4F6E4
200
#C6F1C5
300
#9EE79C
400
#69DB67
500
#34CE31
600
#2AA527
700
#21841F
800
#1A6719
900
#174B16
950
#0E300E

Contrast Checker

Text on white

4.91:1

AA Pass AAA Fail

Text on black

4.28:1

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