#51CF58#51CF58

#51CF58 is a light, vivid green. Relative luminance 0.471; OKLCH L 75.8% C 0.195 H 144.2°. Best body text is #000000 at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#51CF58
RGB	rgb(81, 207, 88)
HSL	hsl(123, 57%, 56%)
HSV	hsv(123, 61%, 81%)
CMYK	cmyk(60.9%, 0%, 57.5%, 18.8%)
CIE-LAB	lab(74.24, -58.40, 48.17)
CIE-LCH	lch(74.24, 75.70, 140.48°)
OKLab	oklab(75.84% -0.1583 0.114)
OKLCH	oklch(75.84% 0.195 144.2)
XYZ	xyz(27.4660, 47.0769, 16.8700)
Luminance	0.4708 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF58 #CF51C8

analogous

#89CF51 #51CF58 #51CF97

triadic

#51CF58 #5851CF #CF5851

tetradic

#51CF58 #5189CF #CF51C8 #CF9751

square

#51CF58 #5189CF #CF51C8 #CF9751

split-complementary

#51CF58 #9751CF #CF5189

monochromatic

#248229 #31B238 #51CF58 #81DC86 #B1E9B4

Accessibility & contrast

On white

2.02

#51CF58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.42

#51CF58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF58

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF58	#FFFFFF	#000000	##000000
##51CF58	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)

#D3BD4C

Deuteranopia (green-blind)

#C3B261

Tritanopia (blue-blind)

#37CAB5

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51cf58;
/* rgb */ color: rgb(81, 207, 88);
/* oklch */ color: oklch(75.8% 0.195 144.2);

Tailwind

colors: {
  custom: {
    50: '#8fdf8a',
    500: '#51cf58',
    950: '#000000',
  },
}

SCSS

$custom: #51cf58;
$custom-light: #8fdf8a;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf58",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 88
  },
  "hsl": {
    "h": 123.333,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.75837,
    "c": 0.1951,
    "h": 144.2
  },
  "luminance": 0.4708
}

Semantic roles & 50–950 ramp

primary

#51CF58

secondary

#D8A4D5

accent

#48D8E0

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0E150C

muted

#7E837D

Preview Lab

Preview with #51CF58

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

Preview Lab → · Contrast checker → · Palette generator →