#51DE6C#51DE6C

#51DE6C is a light, vivid green. Relative luminance 0.551; OKLCH L 79.9% C 0.197 H 147.0°. Best body text is #000000 at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#51DE6C
RGB	rgb(81, 222, 108)
HSL	hsl(131, 68%, 59%)
HSV	hsv(131, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 51.4%, 12.9%)
CIE-LAB	lab(79.08, -61.21, 44.62)
CIE-LCH	lch(79.08, 75.75, 143.91°)
OKLab	oklab(79.91% -0.1653 0.1075)
OKLCH	oklch(79.91% 0.197 147)
XYZ	xyz(32.2192, 55.0713, 23.1163)
Luminance	0.5507 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE6C #DE51C3

analogous

#7DDE51 #51DE6C #51DEB2

triadic

#51DE6C #6C51DE #DE6C51

tetradic

#51DE6C #517DDE #DE51C3 #DEB251

square

#51DE6C #517DDE #DE51C3 #DEB251

split-complementary

#51DE6C #B251DE #DE517D

monochromatic

#1D9834 #27CB46 #51DE6C #84E897 #B8F2C3

Accessibility & contrast

On white

1.75

#51DE6C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.01

#51DE6C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE6C

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE6C	#FFFFFF	#000000	##000000
##51DE6C	1.00	1.75	12.01	12.01
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.01	21.00	1.00	1.00
##000000	12.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CB62

Deuteranopia (green-blind)

#CFBF74

Tritanopia (blue-blind)

#27D9C4

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51de6c;
/* rgb */ color: rgb(81, 222, 108);
/* oklch */ color: oklch(79.9% 0.197 147.0);

Tailwind

colors: {
  custom: {
    50: '#91e998',
    500: '#51de6c',
    950: '#000000',
  },
}

SCSS

$custom: #51de6c;
$custom-light: #91e998;
$custom-dark: #000000;

JSON

{
  "hex": "#51de6c",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 108
  },
  "hsl": {
    "h": 131.489,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.79907,
    "c": 0.19719,
    "h": 147
  },
  "luminance": 0.55075
}

Semantic roles & 50–950 ramp

primary

#51DE6C

secondary

#9C3789

accent

#3DCAEB

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160E

muted

#7F847F

Preview Lab

Preview with #51DE6C

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

Preview Lab → · Contrast checker → · Palette generator →