#51EE5E#51EE5E

#51EE5E is a very light, highly saturated green. Relative luminance 0.637; OKLCH L 83.8% C 0.228 H 144.4°. Best body text is #000000 at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#51EE5E
RGB	rgb(81, 238, 94)
HSL	hsl(125, 82%, 63%)
HSV	hsv(125, 66%, 93%)
CMYK	cmyk(66%, 0%, 60.5%, 6.7%)
CIE-LAB	lab(83.81, -68.50, 56.56)
CIE-LCH	lch(83.81, 88.83, 140.46°)
OKLab	oklab(83.77% -0.1854 0.1326)
OKLCH	oklch(83.77% 0.228 144.4)
XYZ	xyz(35.9860, 63.7028, 20.9869)
Luminance	0.6371 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EE5E #EE51E1

analogous

#93EE51 #51EE5E #51EEAC

triadic

#51EE5E #5E51EE #EE5E51

tetradic

#51EE5E #5193EE #EE51E1 #EEAC51

square

#51EE5E #5193EE #EE51E1 #EEAC51

split-complementary

#51EE5E #AC51EE #EE5193

monochromatic

#11B31F #19E92A #51EE5E #89F392 #C1F9C5

Accessibility & contrast

On white

1.53

#51EE5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.74

#51EE5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EE5E

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EE5E	#FFFFFF	#000000	##000000
##51EE5E	1.00	1.53	13.74	13.74
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.74	21.00	1.00	1.00
##000000	13.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D94E

Deuteranopia (green-blind)

#DFCC6A

Tritanopia (blue-blind)

#24E8CF

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #51ee5e;
/* rgb */ color: rgb(81, 238, 94);
/* oklch */ color: oklch(83.8% 0.228 144.4);

Tailwind

colors: {
  custom: {
    50: '#94f590',
    500: '#51ee5e',
    950: '#000000',
  },
}

SCSS

$custom: #51ee5e;
$custom-light: #94f590;
$custom-dark: #000000;

JSON

{
  "hex": "#51ee5e",
  "rgb": {
    "r": 81,
    "g": 238,
    "b": 94
  },
  "hsl": {
    "h": 124.968,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.83765,
    "c": 0.22796,
    "h": 144.4
  },
  "luminance": 0.63707
}

Semantic roles & 50–950 ramp

primary

#51EE5E

secondary

#B330A8

accent

#07CDDF

background

#FCFFFC

surface

#F5FFF4

border

#CFD7CE

text

#0F170D

muted

#80857F

Preview Lab

Preview with #51EE5E

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

Preview Lab → · Contrast checker → · Palette generator →