#51EE4D#51EE4D

#51EE4D is a very light, highly saturated green. Relative luminance 0.634; OKLCH L 83.6% C 0.240 H 142.7°. Best body text is #000000 at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#51EE4D
RGB	rgb(81, 238, 77)
HSL	hsl(119, 83%, 62%)
HSV	hsv(119, 68%, 93%)
CMYK	cmyk(66%, 0%, 67.6%, 6.7%)
CIE-LAB	lab(83.67, -70.18, 63.30)
CIE-LCH	lch(83.67, 94.52, 137.95°)
OKLab	oklab(83.6% -0.1908 0.1452)
OKLCH	oklch(83.6% 0.24 142.7)
XYZ	xyz(35.3054, 63.4306, 17.4025)
Luminance	0.6343 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EE4D #EA4DEE

analogous

#A2EE4D #51EE4D #4DEE99

triadic

#51EE4D #4D51EE #EE4D51

tetradic

#51EE4D #4DA2EE #EA4DEE #EE994D

square

#51EE4D #4DA2EE #EA4DEE #EE994D

split-complementary

#51EE4D #994DEE #EE4DA2

monochromatic

#15B011 #1BE816 #51EE4D #88F385 #BEF9BD

Accessibility & contrast

On white

1.53

#51EE4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.69

#51EE4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EE4D

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EE4D	#FFFFFF	#000000	##000000
##51EE4D	1.00	1.53	13.69	13.69
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.69	21.00	1.00	1.00
##000000	13.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3D836

Deuteranopia (green-blind)

#E0CC5C

Tritanopia (blue-blind)

#2BE7CE

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #51ee4d;
/* rgb */ color: rgb(81, 238, 77);
/* oklch */ color: oklch(83.6% 0.240 142.7);

Tailwind

colors: {
  custom: {
    50: '#95f586',
    500: '#51ee4d',
    950: '#000000',
  },
}

SCSS

$custom: #51ee4d;
$custom-light: #95f586;
$custom-dark: #000000;

JSON

{
  "hex": "#51ee4d",
  "rgb": {
    "r": 81,
    "g": 238,
    "b": 77
  },
  "hsl": {
    "h": 118.509,
    "s": 82.564,
    "l": 61.765
  },
  "oklch": {
    "l": 0.83602,
    "c": 0.23972,
    "h": 142.7
  },
  "luminance": 0.63434
}

Semantic roles & 50–950 ramp

primary

#51EE4D

secondary

#AD2FB0

accent

#07DFDA

background

#FCFFFC

surface

#F5FFF4

border

#CFD7CE

text

#0F170C

muted

#80857F

Preview Lab

Preview with #51EE4D

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

Preview Lab → · Contrast checker → · Palette generator →