#51BC57#51BC57

#51BC57 is a light, vivid green. Relative luminance 0.384; OKLCH L 71.0% C 0.171 H 144.5°. Best body text is #000000 at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#51BC57
RGB	rgb(81, 188, 87)
HSL	hsl(123, 44%, 53%)
HSV	hsv(123, 57%, 74%)
CMYK	cmyk(56.9%, 0%, 53.7%, 26.3%)
CIE-LAB	lab(68.32, -51.42, 41.60)
CIE-LCH	lch(68.32, 66.14, 141.03°)
OKLab	oklab(70.95% -0.1395 0.0996)
OKLCH	oklch(70.95% 0.171 144.5)
XYZ	xyz(23.0955, 38.4018, 15.2102)
Luminance	0.3840 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC57 #BC51B6

analogous

#81BC51 #51BC57 #51BC8C

triadic

#51BC57 #5751BC #BC5751

tetradic

#51BC57 #5181BC #BC51B6 #BC8C51

square

#51BC57 #5181BC #BC51B6 #BC8C51

split-complementary

#51BC57 #8C51BC #BC5181

monochromatic

#296A2C #3A963F #51BC57 #7DCD82 #A9DEAC

Accessibility & contrast

On white

2.42

#51BC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.68

#51BC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC57

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC57	#FFFFFF	#000000	##000000
##51BC57	1.00	2.42	8.68	8.68
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.68	21.00	1.00	1.00
##000000	8.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAC4E

Deuteranopia (green-blind)

#B1A35E

Tritanopia (blue-blind)

#3EB7A5

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51bc57;
/* rgb */ color: rgb(81, 188, 87);
/* oklch */ color: oklch(71.0% 0.171 144.5);

Tailwind

colors: {
  custom: {
    50: '#8cd189',
    500: '#51bc57',
    950: '#000000',
  },
}

SCSS

$custom: #51bc57;
$custom-light: #8cd189;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc57",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 87
  },
  "hsl": {
    "h": 123.364,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.70953,
    "c": 0.17138,
    "h": 144.5
  },
  "luminance": 0.38404
}

Semantic roles & 50–950 ramp

primary

#51BC57

secondary

#CC9DC9

accent

#54CDD4

background

#F9FCF8

surface

#F1F9F0

border

#CBD2CB

text

#0D140C

muted

#7E827D

Preview Lab

Preview with #51BC57

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

Preview Lab → · Contrast checker → · Palette generator →