#28A721#28A721

#28A721 is a light, vivid green. Relative luminance 0.282; OKLCH L 63.7% C 0.199 H 142.3°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#28A721
RGB	rgb(40, 167, 33)
HSL	hsl(117, 67%, 39%)
HSV	hsv(117, 80%, 65%)
CMYK	cmyk(76%, 0%, 80.2%, 34.5%)
CIE-LAB	lab(60.07, -57.86, 54.65)
CIE-LCH	lch(60.07, 79.59, 136.64°)
OKLab	oklab(63.68% -0.1574 0.1218)
OKLCH	oklch(63.68% 0.199 142.3)
XYZ	xyz(14.9674, 28.1966, 6.0922)
Luminance	0.2820 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28A721 #A021A7

analogous

#6BA721 #28A721 #21A75D

triadic

#28A721 #2128A7 #A72128

tetradic

#28A721 #216BA7 #A021A7 #A75D21

square

#28A721 #216BA7 #A021A7 #A75D21

split-complementary

#28A721 #5D21A7 #A7216B

monochromatic

#10410D #1C7417 #28A721 #38D62F #69E062

Accessibility & contrast

On white

3.16

#28A721 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#28A721 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28A721

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28A721	#FFFFFF	#000000	##000000
##28A721	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9700

Deuteranopia (green-blind)

#9D8D31

Tritanopia (blue-blind)

#00A28E

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #28a721;
/* rgb */ color: rgb(40, 167, 33);
/* oklch */ color: oklch(63.7% 0.199 142.3);

Tailwind

colors: {
  custom: {
    50: '#78c268',
    500: '#28a721',
    950: '#000000',
  },
}

SCSS

$custom: #28a721;
$custom-light: #78c268;
$custom-dark: #000000;

JSON

{
  "hex": "#28a721",
  "rgb": {
    "r": 40,
    "g": 167,
    "b": 33
  },
  "hsl": {
    "h": 116.866,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.63683,
    "c": 0.19898,
    "h": 142.3
  },
  "luminance": 0.28198
}

Semantic roles & 50–950 ramp

primary

#28A721

secondary

#C05FC5

accent

#3EEAE1

background

#F8FCF6

surface

#EFF8EB

border

#CAD1C6

text

#0A1307

muted

#7C827A

Preview Lab

Preview with #28A721

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →