#428F11

#428F11

Color Values

HEX

#428F11

RGB

66, 143, 17

HSL

96.7, 78.8%, 31.4%

HSV

96.7, 88.1%, 56.1%

CMYK

53.8%, 0.0%, 88.1%, 43.9%

OKLCH

0.5782 0.1687 137.1

Properties

Cool Light Nearest: chartreuse 4

Color Harmonies

Complementary

#428F11

#5E118F

Analogous

#818F11

#118F1F

#428F11

Triadic

#428F11

#11428F

#8F1142

Split Complementary

#428F11

#1F118F

#8F1181

Tetradic

#428F11

#11818F

#5E118F

#8F1F11

Color Blindness Simulation

Original

#428F11

Protanopia

#63642F

Deuteranopia

#5F5937

Tritanopia

#46484D

Achromatopsia

#767676

CSS Usage

background-color: #428F11;
color: #428F11;
border-color: #428F11;
Nearest Tailwind: Lime 600 #65A30D

Tailwind Shades

50
#F6FCF2
100
#EAF9E1
200
#D5F7BF
300
#B7F292
400
#90EB56
500
#69E41B
600
#54B616
700
#439211
800
#35720E
900
#29530E
950
#1A3409

Contrast Checker

Text on white

4.06:1

AA Fail AAA Fail

Text on black

5.17:1

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