#51DA64#51DA64

#51DA64 is a light, vivid green. Relative luminance 0.528; OKLCH L 78.8% C 0.199 H 145.8°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#51DA64
RGB	rgb(81, 218, 100)
HSL	hsl(128, 65%, 59%)
HSV	hsv(128, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 54.1%, 14.5%)
CIE-LAB	lab(77.76, -60.85, 46.80)
CIE-LCH	lch(77.76, 76.77, 142.44°)
OKLab	oklab(78.79% -0.1645 0.1119)
OKLCH	oklch(78.79% 0.199 145.8)
XYZ	xyz(30.7630, 52.8092, 20.6261)
Luminance	0.5281 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA64 #DA51C7

analogous

#82DA51 #51DA64 #51DAA8

triadic

#51DA64 #6451DA #DA6451

tetradic

#51DA64 #5182DA #DA51C7 #DAA851

square

#51DA64 #5182DA #DA51C7 #DAA851

split-complementary

#51DA64 #A851DA #DA5182

monochromatic

#1F922F #2AC43F #51DA64 #83E591 #B6EFBE

Accessibility & contrast

On white

1.82

#51DA64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.56

#51DA64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA64

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA64	#FFFFFF	#000000	##000000
##51DA64	1.00	1.82	11.56	11.56
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.56	21.00	1.00	1.00
##000000	11.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC759

Deuteranopia (green-blind)

#CCBC6D

Tritanopia (blue-blind)

#2DD5BF

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51da64;
/* rgb */ color: rgb(81, 218, 100);
/* oklch */ color: oklch(78.8% 0.199 145.8);

Tailwind

colors: {
  custom: {
    50: '#90e693',
    500: '#51da64',
    950: '#000000',
  },
}

SCSS

$custom: #51da64;
$custom-light: #90e693;
$custom-dark: #000000;

JSON

{
  "hex": "#51da64",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 100
  },
  "hsl": {
    "h": 128.321,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.78787,
    "c": 0.19896,
    "h": 145.8
  },
  "luminance": 0.52812
}

Semantic roles & 50–950 ramp

primary

#51DA64

secondary

#97398A

accent

#40D1E8

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160D

muted

#7F847F

Preview Lab

Preview with #51DA64

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

Preview Lab → · Contrast checker → · Palette generator →