#28AC51#28AC51

#28AC51 is a light, vivid green. Relative luminance 0.305; OKLCH L 65.5% C 0.171 H 148.8°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#28AC51
RGB	rgb(40, 172, 81)
HSL	hsl(139, 62%, 42%)
HSV	hsv(139, 77%, 67%)
CMYK	cmyk(76.7%, 0%, 52.9%, 32.5%)
CIE-LAB	lab(62.12, -54.42, 36.78)
CIE-LCH	lch(62.12, 65.68, 145.95°)
OKLab	oklab(65.53% -0.1463 0.0886)
OKLCH	oklch(65.53% 0.171 148.8)
XYZ	xyz(17.1114, 30.5482, 12.7776)
Luminance	0.3055 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28AC51 #AC2883

analogous

#41AC28 #28AC51 #28AC93

triadic

#28AC51 #5128AC #AC5128

tetradic

#28AC51 #2841AC #AC2883 #AC9328

square

#28AC51 #2841AC #AC2883 #AC9328

split-complementary

#28AC51 #9328AC #AC2841

monochromatic

#114922 #1C7A3A #28AC51 #3FD26D #71DE92

Accessibility & contrast

On white

2.95

#28AC51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#28AC51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28AC51

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28AC51	#FFFFFF	#000000	##000000
##28AC51	1.00	2.95	7.11	7.11
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9D49

Deuteranopia (green-blind)

#9E9258

Tritanopia (blue-blind)

#00A997

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #28ac51;
/* rgb */ color: rgb(40, 172, 81);
/* oklch */ color: oklch(65.5% 0.171 148.8);

Tailwind

colors: {
  custom: {
    50: '#77c684',
    500: '#28ac51',
    950: '#000000',
  },
}

SCSS

$custom: #28ac51;
$custom-light: #77c684;
$custom-dark: #000000;

JSON

{
  "hex": "#28ac51",
  "rgb": {
    "r": 40,
    "g": 172,
    "b": 81
  },
  "hsl": {
    "h": 138.636,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.65527,
    "c": 0.17102,
    "h": 148.8
  },
  "luminance": 0.3055
}

Semantic roles & 50–950 ramp

primary

#28AC51

secondary

#C56BA9

accent

#42B3E5

background

#F7FCF8

surface

#EEF8EF

border

#C9D1CA

text

#0A130B

muted

#7C827C

Preview Lab

Preview with #28AC51

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

Preview Lab → · Contrast checker → · Palette generator →