#51EE8A#51EE8A

#51EE8A is a very light, vivid green. Relative luminance 0.647; OKLCH L 84.4% C 0.191 H 151.7°. Best body text is #000000 at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#51EE8A
RGB	rgb(81, 238, 138)
HSL	hsl(142, 82%, 63%)
HSV	hsv(142, 66%, 93%)
CMYK	cmyk(66%, 0%, 42%, 6.7%)
CIE-LAB	lab(84.34, -62.40, 36.66)
CIE-LCH	lch(84.34, 72.37, 149.57°)
OKLab	oklab(84.38% -0.1683 0.0906)
OKLCH	oklch(84.38% 0.191 151.7)
XYZ	xyz(38.5522, 64.7293, 34.5021)
Luminance	0.6473 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EE8A #EE51B5

analogous

#67EE51 #51EE8A #51EED8

triadic

#51EE8A #8A51EE #EE8A51

tetradic

#51EE8A #5167EE #EE51B5 #EED851

square

#51EE8A #5167EE #EE51B5 #EED851

split-complementary

#51EE8A #D851EE #EE5167

monochromatic

#11B34C #19E965 #51EE8A #89F3AF #C1F9D5

Accessibility & contrast

On white

1.51

#51EE8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.95

#51EE8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EE8A

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EE8A	#FFFFFF	#000000	##000000
##51EE8A	1.00	1.51	13.95	13.95
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.95	21.00	1.00	1.00
##000000	13.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFDB83

Deuteranopia (green-blind)

#DBCD91

Tritanopia (blue-blind)

#00EBD5

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #51ee8a;
/* rgb */ color: rgb(81, 238, 138);
/* oklch */ color: oklch(84.4% 0.191 151.7);

Tailwind

colors: {
  custom: {
    50: '#93f5ad',
    500: '#51ee8a',
    950: '#000000',
  },
}

SCSS

$custom: #51ee8a;
$custom-light: #93f5ad;
$custom-dark: #000000;

JSON

{
  "hex": "#51ee8a",
  "rgb": {
    "r": 81,
    "g": 238,
    "b": 138
  },
  "hsl": {
    "h": 141.783,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.84379,
    "c": 0.19117,
    "h": 151.7
  },
  "luminance": 0.64733
}

Semantic roles & 50–950 ramp

primary

#51EE8A

secondary

#B33084

accent

#0790DF

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1710

muted

#7F8581

Preview Lab

Preview with #51EE8A

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

Preview Lab → · Contrast checker → · Palette generator →