#28B728

#28B728

Color Values

HEX

#28B728

RGB

40, 183, 40

HSL

120.0, 64.1%, 43.7%

HSV

120.0, 78.1%, 71.8%

CMYK

78.1%, 0.0%, 78.1%, 28.2%

OKLCH

0.6807 0.2128 142.8

Properties

Cool Light Nearest: RAL 6038 Luminous Green

Color Harmonies

Complementary

#28B728

#B728B7

Analogous

#6FB728

#28B76F

#28B728

Triadic

#28B728

#2828B7

#B72828

Split Complementary

#28B728

#6F28B7

#B7286F

Tetradic

#28B728

#286FB7

#B728B7

#B76F28

Color Blindness Simulation

Original

#28B728

Protanopia

#66674B

Deuteranopia

#5E5353

Tritanopia

#2F666C

Achromatopsia

#8E8E8E

CSS Usage

background-color: #28B728;
color: #28B728;
border-color: #28B728;
Nearest Tailwind: Green 500 #22C55E

Tailwind Shades

50
#F3FCF3
100
#E3F7E3
200
#C4F2C4
300
#9BE99B
400
#64DD64
500
#2ED12E
600
#25A725
700
#1D861D
800
#176917
900
#144C14
950
#0D300D

Contrast Checker

Text on white

2.66:1

AA Fail AAA Fail

Text on black

7.89:1

AA Pass AAA Pass

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026