#51BD37#51BD37

#51BD37 is a light, vivid green. Relative luminance 0.384; OKLCH L 70.9% C 0.197 H 140.1°. Best body text is #000000 at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#51BD37
RGB	rgb(81, 189, 55)
HSL	hsl(108, 55%, 48%)
HSV	hsv(108, 71%, 74%)
CMYK	cmyk(57.1%, 0%, 70.9%, 25.9%)
CIE-LAB	lab(68.33, -55.19, 55.60)
CIE-LCH	lch(68.33, 78.34, 134.79°)
OKLab	oklab(70.87% -0.1514 0.1264)
OKLCH	oklch(70.87% 0.197 140.1)
XYZ	xyz(22.2795, 38.4184, 9.8551)
Luminance	0.3842 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BD37 #A337BD

analogous

#94BD37 #51BD37 #37BD60

triadic

#51BD37 #3751BD #BD3751

tetradic

#51BD37 #3794BD #A337BD #BD6037

square

#51BD37 #3794BD #A337BD #BD6037

split-complementary

#51BD37 #6037BD #BD3794

monochromatic

#285E1B #3D8E29 #51BD37 #76D160 #9FDF90

Accessibility & contrast

On white

2.42

#51BD37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.68

#51BD37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BD37

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BD37	#FFFFFF	#000000	##000000
##51BD37	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)

#C2AC21

Deuteranopia (green-blind)

#B5A344

Tritanopia (blue-blind)

#44B7A3

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51bd37;
/* rgb */ color: rgb(81, 189, 55);
/* oklch */ color: oklch(70.9% 0.197 140.1);

Tailwind

colors: {
  custom: {
    50: '#8dd276',
    500: '#51bd37',
    950: '#000000',
  },
}

SCSS

$custom: #51bd37;
$custom-light: #8dd276;
$custom-dark: #000000;

JSON

{
  "hex": "#51bd37",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 55
  },
  "hsl": {
    "h": 108.358,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.70866,
    "c": 0.19718,
    "h": 140.1
  },
  "luminance": 0.3842
}

Semantic roles & 50–950 ramp

primary

#51BD37

secondary

#BC86C9

accent

#4ADEC1

background

#F9FDF7

surface

#F1FAED

border

#CBD3C8

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51BD37

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

Preview Lab → · Contrast checker → · Palette generator →