#28B451#28B451

#28B451 is a light, vivid green. Relative luminance 0.337; OKLCH L 67.7% C 0.181 H 148.1°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#28B451
RGB	rgb(40, 180, 81)
HSL	hsl(138, 64%, 43%)
HSV	hsv(138, 78%, 71%)
CMYK	cmyk(77.8%, 0%, 55%, 29.4%)
CIE-LAB	lab(64.71, -57.19, 39.92)
CIE-LCH	lch(64.71, 69.75, 145.08°)
OKLab	oklab(67.67% -0.1537 0.0956)
OKLCH	oklch(67.67% 0.181 148.1)
XYZ	xyz(18.6800, 33.6855, 13.3004)
Luminance	0.3369 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B451 #B4288B

analogous

#45B428 #28B451 #28B497

triadic

#28B451 #5128B4 #B45128

tetradic

#28B451 #2845B4 #B4288B #B49728

square

#28B451 #2845B4 #B4288B #B49728

split-complementary

#28B451 #9728B4 #B42845

monochromatic

#125024 #1D823A #28B451 #44D56E #76E195

Accessibility & contrast

On white

2.71

#28B451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#28B451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B451

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B451	#FFFFFF	#000000	##000000
##28B451	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A448

Deuteranopia (green-blind)

#A69959

Tritanopia (blue-blind)

#00B09E

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #28b451;
/* rgb */ color: rgb(40, 180, 81);
/* oklch */ color: oklch(67.7% 0.181 148.1);

Tailwind

colors: {
  custom: {
    50: '#79cc84',
    500: '#28b451',
    950: '#000000',
  },
}

SCSS

$custom: #28b451;
$custom-light: #79cc84;
$custom-dark: #000000;

JSON

{
  "hex": "#28b451",
  "rgb": {
    "r": 40,
    "g": 180,
    "b": 81
  },
  "hsl": {
    "h": 137.571,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.67671,
    "c": 0.18102,
    "h": 148.1
  },
  "luminance": 0.33688
}

Semantic roles & 50–950 ramp

primary

#28B451

secondary

#C870AE

accent

#41B6E7

background

#F8FCF8

surface

#EFF9EF

border

#CAD2CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #28B451

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

Preview Lab → · Contrast checker → · Palette generator →