#51E855#51E855

#51E855 is a very light, highly saturated green. Relative luminance 0.601; OKLCH L 82.2% C 0.228 H 143.5°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#51E855
RGB	rgb(81, 232, 85)
HSL	hsl(122, 77%, 61%)
HSV	hsv(122, 65%, 91%)
CMYK	cmyk(65.1%, 0%, 63.4%, 9%)
CIE-LAB	lab(81.90, -67.44, 58.20)
CIE-LCH	lch(81.90, 89.08, 139.21°)
OKLab	oklab(82.16% -0.183 0.1352)
OKLCH	oklch(82.16% 0.228 143.5)
XYZ	xyz(33.8876, 60.1149, 18.4100)
Luminance	0.6012 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E855 #E851E4

analogous

#99E851 #51E855 #51E8A1

triadic

#51E855 #5551E8 #E85551

tetradic

#51E855 #5199E8 #E851E4 #E8A151

square

#51E855 #5199E8 #E851E4 #E8A151

split-complementary

#51E855 #A151E8 #E85199

monochromatic

#16A81A #1DDE23 #51E855 #87EF8A #BDF6BF

Accessibility & contrast

On white

1.61

#51E855 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#51E855 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E855

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E855	#FFFFFF	#000000	##000000
##51E855	1.00	1.61	13.02	13.02
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.02	21.00	1.00	1.00
##000000	13.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD343

Deuteranopia (green-blind)

#DAC762

Tritanopia (blue-blind)

#2CE2C9

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e855;
/* rgb */ color: rgb(81, 232, 85);
/* oklch */ color: oklch(82.2% 0.228 143.5);

Tailwind

colors: {
  custom: {
    50: '#93f08a',
    500: '#51e855',
    950: '#000000',
  },
}

SCSS

$custom: #51e855;
$custom-light: #93f08a;
$custom-dark: #000000;

JSON

{
  "hex": "#51e855",
  "rgb": {
    "r": 81,
    "g": 232,
    "b": 85
  },
  "hsl": {
    "h": 121.589,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.82159,
    "c": 0.22752,
    "h": 143.5
  },
  "luminance": 0.60118
}

Semantic roles & 50–950 ramp

primary

#51E855

secondary

#AA33A7

accent

#0DD3D9

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0F170C

muted

#80857F

Preview Lab

Preview with #51E855

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

Preview Lab → · Contrast checker → · Palette generator →