#51EB81#51EB81

#51EB81 is a very light, vivid green. Relative luminance 0.628; OKLCH L 83.5% C 0.195 H 150.1°. Best body text is #000000 at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#51EB81
RGB	rgb(81, 235, 129)
HSL	hsl(139, 79%, 62%)
HSV	hsv(139, 66%, 92%)
CMYK	cmyk(65.5%, 0%, 45.1%, 7.8%)
CIE-LAB	lab(83.31, -62.77, 39.76)
CIE-LCH	lch(83.31, 74.31, 147.65°)
OKLab	oklab(83.48% -0.1693 0.0975)
OKLCH	oklch(83.48% 0.195 150.1)
XYZ	xyz(37.0612, 62.7471, 30.9229)
Luminance	0.6275 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EB81 #EB51BB

analogous

#6EEB51 #51EB81 #51EBCE

triadic

#51EB81 #8151EB #EB8151

tetradic

#51EB81 #516EEB #EB51BB #EBCE51

square

#51EB81 #516EEB #EB51BB #EBCE51

split-complementary

#51EB81 #CE51EB #EB516E

monochromatic

#14AE44 #1AE559 #51EB81 #88F1A9 #BFF8D0

Accessibility & contrast

On white

1.55

#51EB81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.55

#51EB81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EB81

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EB81	#FFFFFF	#000000	##000000
##51EB81	1.00	1.55	13.55	13.55
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.55	21.00	1.00	1.00
##000000	13.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD879

Deuteranopia (green-blind)

#D9CA88

Tritanopia (blue-blind)

#01E7D2

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51eb81;
/* rgb */ color: rgb(81, 235, 129);
/* oklch */ color: oklch(83.5% 0.195 150.1);

Tailwind

colors: {
  custom: {
    50: '#92f2a7',
    500: '#51eb81',
    950: '#000000',
  },
}

SCSS

$custom: #51eb81;
$custom-light: #92f2a7;
$custom-dark: #000000;

JSON

{
  "hex": "#51eb81",
  "rgb": {
    "r": 81,
    "g": 235,
    "b": 129
  },
  "hsl": {
    "h": 138.701,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.83483,
    "c": 0.19532,
    "h": 150.1
  },
  "luminance": 0.62751
}

Semantic roles & 50–950 ramp

primary

#51EB81

secondary

#AE3288

accent

#0A9ADC

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51EB81

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

Preview Lab → · Contrast checker → · Palette generator →