#51DD56#51DD56

#51DD56 is a light, highly saturated green. Relative luminance 0.541; OKLCH L 79.4% C 0.214 H 143.8°. Best body text is #000000 at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#51DD56
RGB	rgb(81, 221, 86)
HSL	hsl(122, 67%, 59%)
HSV	hsv(122, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 61.1%, 13.3%)
CIE-LAB	lab(78.54, -63.59, 54.01)
CIE-LCH	lch(78.54, 83.43, 139.66°)
OKLab	oklab(79.38% -0.1725 0.1264)
OKLCH	oklch(79.38% 0.214 143.8)
XYZ	xyz(30.9277, 54.1310, 17.6208)
Luminance	0.5413 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD56 #DD51D8

analogous

#92DD51 #51DD56 #51DD9C

triadic

#51DD56 #5651DD #DD5651

tetradic

#51DD56 #5192DD #DD51D8 #DD9C51

square

#51DD56 #5192DD #DD51D8 #DD9C51

split-complementary

#51DD56 #9C51DD #DD5192

monochromatic

#1D9622 #27C92D #51DD56 #84E788 #B7F1B9

Accessibility & contrast

On white

1.78

#51DD56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.83

#51DD56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD56

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD56	#FFFFFF	#000000	##000000
##51DD56	1.00	1.78	11.83	11.83
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.83	21.00	1.00	1.00
##000000	11.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C947

Deuteranopia (green-blind)

#D0BE61

Tritanopia (blue-blind)

#31D7C0

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51dd56;
/* rgb */ color: rgb(81, 221, 86);
/* oklch */ color: oklch(79.4% 0.214 143.8);

Tailwind

colors: {
  custom: {
    50: '#91e98a',
    500: '#51dd56',
    950: '#000000',
  },
}

SCSS

$custom: #51dd56;
$custom-light: #91e98a;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd56",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 86
  },
  "hsl": {
    "h": 122.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79381,
    "c": 0.21383,
    "h": 143.8
  },
  "luminance": 0.54134
}

Semantic roles & 50–950 ramp

primary

#51DD56

secondary

#9B3897

accent

#3EE4EA

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DD56

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

Preview Lab → · Contrast checker → · Palette generator →