#51AC28#51AC28

#51AC28 is a light, vivid green. Relative luminance 0.314; OKLCH L 66.3% C 0.186 H 138.1°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#51AC28
RGB	rgb(81, 172, 40)
HSL	hsl(101, 62%, 42%)
HSV	hsv(101, 77%, 67%)
CMYK	cmyk(52.9%, 0%, 76.7%, 32.5%)
CIE-LAB	lab(62.85, -49.95, 55.47)
CIE-LCH	lch(62.85, 74.65, 132.00°)
OKLab	oklab(66.32% -0.1381 0.124)
OKLCH	oklch(66.32% 0.186 138.1)
XYZ	xyz(18.5282, 31.4062, 7.0927)
Luminance	0.3141 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AC28 #8328AC

analogous

#93AC28 #51AC28 #28AC41

triadic

#51AC28 #2851AC #AC2851

tetradic

#51AC28 #2893AC #8328AC #AC4128

square

#51AC28 #2893AC #8328AC #AC4128

split-complementary

#51AC28 #4128AC #AC2893

monochromatic

#224911 #3A7A1C #51AC28 #6DD23F #92DE71

Accessibility & contrast

On white

2.88

#51AC28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.28

#51AC28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AC28

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AC28	#FFFFFF	#000000	##000000
##51AC28	1.00	2.88	7.28	7.28
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.28	21.00	1.00	1.00
##000000	7.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19D07

Deuteranopia (green-blind)

#A69536

Tritanopia (blue-blind)

#4AA693

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #51ac28;
/* rgb */ color: rgb(81, 172, 40);
/* oklch */ color: oklch(66.3% 0.186 138.1);

Tailwind

colors: {
  custom: {
    50: '#8bc56c',
    500: '#51ac28',
    950: '#000000',
  },
}

SCSS

$custom: #51ac28;
$custom-light: #8bc56c;
$custom-dark: #000000;

JSON

{
  "hex": "#51ac28",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 40
  },
  "hsl": {
    "h": 101.364,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.66317,
    "c": 0.18566,
    "h": 138.1
  },
  "luminance": 0.31408
}

Semantic roles & 50–950 ramp

primary

#51AC28

secondary

#A96BC5

accent

#42E5B3

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51AC28

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

Preview Lab → · Contrast checker → · Palette generator →