#51CC37#51CC37

#51CC37 is a light, highly saturated green. Relative luminance 0.452; OKLCH L 74.7% C 0.215 H 140.6°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#51CC37
RGB	rgb(81, 204, 55)
HSL	hsl(110, 59%, 51%)
HSV	hsv(110, 73%, 80%)
CMYK	cmyk(60.3%, 0%, 73%, 20%)
CIE-LAB	lab(73.03, -60.53, 60.39)
CIE-LCH	lch(73.03, 85.50, 135.07°)
OKLab	oklab(74.75% -0.1658 0.1364)
OKLCH	oklch(74.75% 0.215 140.6)
XYZ	xyz(25.6746, 45.2085, 10.9868)
Luminance	0.4521 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CC37 #B237CC

analogous

#9CCC37 #51CC37 #37CC67

triadic

#51CC37 #3751CC #CC3751

tetradic

#51CC37 #379CCC #B237CC #CC6737

square

#51CC37 #379CCC #B237CC #CC6737

split-complementary

#51CC37 #6737CC #CC379C

monochromatic

#2A6D1C #3D9E28 #51CC37 #7BD868 #A6E599

Accessibility & contrast

On white

2.09

#51CC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#51CC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CC37

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CC37	#FFFFFF	#000000	##000000
##51CC37	1.00	2.09	10.04	10.04
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.04	21.00	1.00	1.00
##000000	10.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B91B

Deuteranopia (green-blind)

#C2AF46

Tritanopia (blue-blind)

#3FC5AF

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cc37;
/* rgb */ color: rgb(81, 204, 55);
/* oklch */ color: oklch(74.7% 0.215 140.6);

Tailwind

colors: {
  custom: {
    50: '#90dd77',
    500: '#51cc37',
    950: '#000000',
  },
}

SCSS

$custom: #51cc37;
$custom-light: #90dd77;
$custom-dark: #000000;

JSON

{
  "hex": "#51cc37",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 55
  },
  "hsl": {
    "h": 109.53,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.74749,
    "c": 0.21468,
    "h": 140.6
  },
  "luminance": 0.45211
}

Semantic roles & 50–950 ramp

primary

#51CC37

secondary

#C58ED0

accent

#45E3C7

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E1509

muted

#7E837B

Preview Lab

Preview with #51CC37

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

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