#51AD28#51AD28

#51AD28 is a light, vivid green. Relative luminance 0.318; OKLCH L 66.6% C 0.187 H 138.1°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#51AD28
RGB	rgb(81, 173, 40)
HSL	hsl(102, 62%, 42%)
HSV	hsv(102, 77%, 68%)
CMYK	cmyk(53.2%, 0%, 76.9%, 32.2%)
CIE-LAB	lab(63.17, -50.33, 55.78)
CIE-LCH	lch(63.17, 75.13, 132.06°)
OKLab	oklab(66.58% -0.1392 0.1247)
OKLCH	oklch(66.58% 0.187 138.1)
XYZ	xyz(18.7192, 31.7882, 7.1564)
Luminance	0.3179 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AD28 #8428AD

analogous

#94AD28 #51AD28 #28AD42

triadic

#51AD28 #2851AD #AD2851

tetradic

#51AD28 #2894AD #8428AD #AD4228

square

#51AD28 #2894AD #8428AD #AD4228

split-complementary

#51AD28 #4228AD #AD2894

monochromatic

#224A11 #3A7B1D #51AD28 #6DD33F #93DE71

Accessibility & contrast

On white

2.85

#51AD28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#51AD28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AD28

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AD28	#FFFFFF	#000000	##000000
##51AD28	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39E06

Deuteranopia (green-blind)

#A79636

Tritanopia (blue-blind)

#49A794

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #51ad28;
/* rgb */ color: rgb(81, 173, 40);
/* oklch */ color: oklch(66.6% 0.187 138.1);

Tailwind

colors: {
  custom: {
    50: '#8bc66c',
    500: '#51ad28',
    950: '#000000',
  },
}

SCSS

$custom: #51ad28;
$custom-light: #8bc66c;
$custom-dark: #000000;

JSON

{
  "hex": "#51ad28",
  "rgb": {
    "r": 81,
    "g": 173,
    "b": 40
  },
  "hsl": {
    "h": 101.504,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.66579,
    "c": 0.18686,
    "h": 138.1
  },
  "luminance": 0.3179
}

Semantic roles & 50–950 ramp

primary

#51AD28

secondary

#AA6CC5

accent

#42E6B3

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51AD28

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

Preview Lab → · Contrast checker → · Palette generator →