#51BC37#51BC37

#51BC37 is a light, vivid green. Relative luminance 0.380; OKLCH L 70.6% C 0.196 H 140.1°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#51BC37
RGB	rgb(81, 188, 55)
HSL	hsl(108, 55%, 48%)
HSV	hsv(108, 71%, 74%)
CMYK	cmyk(56.9%, 0%, 70.7%, 26.3%)
CIE-LAB	lab(68.01, -54.83, 55.27)
CIE-LCH	lch(68.01, 77.85, 134.77°)
OKLab	oklab(70.61% -0.1504 0.1257)
OKLCH	oklch(70.61% 0.196 140.1)
XYZ	xyz(22.0652, 37.9897, 9.7837)
Luminance	0.3799 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC37 #A237BC

analogous

#93BC37 #51BC37 #37BC60

triadic

#51BC37 #3751BC #BC3751

tetradic

#51BC37 #3793BC #A237BC #BC6037

square

#51BC37 #3793BC #A237BC #BC6037

split-complementary

#51BC37 #6037BC #BC3793

monochromatic

#285D1B #3D8D29 #51BC37 #76D060 #9FDE8F

Accessibility & contrast

On white

2.44

#51BC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.60

#51BC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC37

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC37	#FFFFFF	#000000	##000000
##51BC37	1.00	2.44	8.60	8.60
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.60	21.00	1.00	1.00
##000000	8.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AB22

Deuteranopia (green-blind)

#B4A244

Tritanopia (blue-blind)

#44B6A2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bc37;
/* rgb */ color: rgb(81, 188, 55);
/* oklch */ color: oklch(70.6% 0.196 140.1);

Tailwind

colors: {
  custom: {
    50: '#8dd175',
    500: '#51bc37',
    950: '#000000',
  },
}

SCSS

$custom: #51bc37;
$custom-light: #8dd175;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc37",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 55
  },
  "hsl": {
    "h": 108.271,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.70606,
    "c": 0.19598,
    "h": 140.1
  },
  "luminance": 0.37992
}

Semantic roles & 50–950 ramp

primary

#51BC37

secondary

#BC86C9

accent

#4ADEC1

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1409

muted

#7E827B

Preview Lab

Preview with #51BC37

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

Preview Lab → · Contrast checker → · Palette generator →