#51C159#51C159

#51C159 is a light, vivid green. Relative luminance 0.406; OKLCH L 72.3% C 0.176 H 144.7°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#51C159
RGB	rgb(81, 193, 89)
HSL	hsl(124, 47%, 54%)
HSV	hsv(124, 58%, 76%)
CMYK	cmyk(58%, 0%, 53.9%, 24.3%)
CIE-LAB	lab(69.90, -53.07, 42.55)
CIE-LCH	lch(69.90, 68.02, 141.28°)
OKLab	oklab(72.27% -0.1439 0.1018)
OKLCH	oklch(72.27% 0.176 144.7)
XYZ	xyz(24.2650, 40.6083, 16.0087)
Luminance	0.4061 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C159 #C151B9

analogous

#81C151 #51C159 #51C191

triadic

#51C159 #5951C1 #C15951

tetradic

#51C159 #5181C1 #C151B9 #C19151

square

#51C159 #5181C1 #C151B9 #C19151

split-complementary

#51C159 #9151C1 #C15181

monochromatic

#28702D #389D3F #51C159 #7ED184 #ABE1AF

Accessibility & contrast

On white

2.30

#51C159 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.12

#51C159 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C159

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C159	#FFFFFF	#000000	##000000
##51C159	1.00	2.30	9.12	9.12
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.12	21.00	1.00	1.00
##000000	9.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4B14F

Deuteranopia (green-blind)

#B6A761

Tritanopia (blue-blind)

#3CBCAA

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51c159;
/* rgb */ color: rgb(81, 193, 89);
/* oklch */ color: oklch(72.3% 0.176 144.7);

Tailwind

colors: {
  custom: {
    50: '#8cd58a',
    500: '#51c159',
    950: '#000000',
  },
}

SCSS

$custom: #51c159;
$custom-light: #8cd58a;
$custom-dark: #000000;

JSON

{
  "hex": "#51c159",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 89
  },
  "hsl": {
    "h": 124.286,
    "s": 47.458,
    "l": 53.725
  },
  "oklch": {
    "l": 0.72265,
    "c": 0.17626,
    "h": 144.7
  },
  "luminance": 0.40611
}

Semantic roles & 50–950 ramp

primary

#51C159

secondary

#CF9FCB

accent

#51CDD7

background

#F9FDF8

surface

#F1FAF0

border

#CBD3CB

text

#0D140C

muted

#7E837D

Preview Lab

Preview with #51C159

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

Preview Lab → · Contrast checker → · Palette generator →