#51CF59#51CF59

#51CF59 is a light, vivid green. Relative luminance 0.471; OKLCH L 75.8% C 0.194 H 144.4°. Best body text is #000000 at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#51CF59
RGB	rgb(81, 207, 89)
HSL	hsl(124, 57%, 56%)
HSV	hsv(124, 61%, 81%)
CMYK	cmyk(60.9%, 0%, 57%, 18.8%)
CIE-LAB	lab(74.25, -58.28, 47.72)
CIE-LCH	lch(74.25, 75.32, 140.69°)
OKLab	oklab(75.85% -0.158 0.1131)
OKLCH	oklch(75.85% 0.194 144.4)
XYZ	xyz(27.5077, 47.0936, 17.0896)
Luminance	0.4710 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF59 #CF51C7

analogous

#88CF51 #51CF59 #51CF98

triadic

#51CF59 #5951CF #CF5951

tetradic

#51CF59 #5188CF #CF51C7 #CF9851

square

#51CF59 #5188CF #CF51C7 #CF9851

split-complementary

#51CF59 #9851CF #CF5188

monochromatic

#24822A #31B239 #51CF59 #81DC87 #B1E9B5

Accessibility & contrast

On white

2.02

#51CF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.42

#51CF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF59

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF59	#FFFFFF	#000000	##000000
##51CF59	1.00	2.02	10.42	10.42
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.42	21.00	1.00	1.00
##000000	10.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BD4D

Deuteranopia (green-blind)

#C3B262

Tritanopia (blue-blind)

#37CAB5

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51cf59;
/* rgb */ color: rgb(81, 207, 89);
/* oklch */ color: oklch(75.8% 0.194 144.4);

Tailwind

colors: {
  custom: {
    50: '#8fdf8b',
    500: '#51cf59',
    950: '#000000',
  },
}

SCSS

$custom: #51cf59;
$custom-light: #8fdf8b;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf59",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 89
  },
  "hsl": {
    "h": 123.81,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.7585,
    "c": 0.19428,
    "h": 144.4
  },
  "luminance": 0.47096
}

Semantic roles & 50–950 ramp

primary

#51CF59

secondary

#D8A4D4

accent

#48D6E0

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0E150C

muted

#7E837D

Preview Lab

Preview with #51CF59

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

Preview Lab → · Contrast checker → · Palette generator →