#51CF57#51CF57

#51CF57 is a light, vivid green. Relative luminance 0.471; OKLCH L 75.8% C 0.196 H 144.1°. Best body text is #000000 at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#51CF57
RGB	rgb(81, 207, 87)
HSL	hsl(123, 57%, 56%)
HSV	hsv(123, 61%, 81%)
CMYK	cmyk(60.9%, 0%, 58%, 18.8%)
CIE-LAB	lab(74.23, -58.52, 48.61)
CIE-LCH	lch(74.23, 76.07, 140.28°)
OKLab	oklab(75.83% -0.1587 0.1149)
OKLCH	oklch(75.83% 0.196 144.1)
XYZ	xyz(27.4248, 47.0605, 16.6533)
Luminance	0.4706 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF57 #CF51C9

analogous

#8ACF51 #51CF57 #51CF96

triadic

#51CF57 #5751CF #CF5751

tetradic

#51CF57 #518ACF #CF51C9 #CF9651

square

#51CF57 #518ACF #CF51C9 #CF9651

split-complementary

#51CF57 #9651CF #CF518A

monochromatic

#248228 #31B237 #51CF57 #81DC85 #B1E9B4

Accessibility & contrast

On white

2.02

#51CF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.41

#51CF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF57

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF57	#FFFFFF	#000000	##000000
##51CF57	1.00	2.02	10.41	10.41
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.41	21.00	1.00	1.00
##000000	10.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BD4B

Deuteranopia (green-blind)

#C3B260

Tritanopia (blue-blind)

#37CAB5

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51cf57;
/* rgb */ color: rgb(81, 207, 87);
/* oklch */ color: oklch(75.8% 0.196 144.1);

Tailwind

colors: {
  custom: {
    50: '#8fdf8a',
    500: '#51cf57',
    950: '#000000',
  },
}

SCSS

$custom: #51cf57;
$custom-light: #8fdf8a;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf57",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 87
  },
  "hsl": {
    "h": 122.857,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.75825,
    "c": 0.19591,
    "h": 144.1
  },
  "luminance": 0.47063
}

Semantic roles & 50–950 ramp

primary

#51CF57

secondary

#D8A4D5

accent

#48D9E0

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0E150C

muted

#7E837D

Preview Lab

Preview with #51CF57

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

Preview Lab → · Contrast checker → · Palette generator →