#51D463#51D463

#51D463 is a light, vivid green. Relative luminance 0.497; OKLCH L 77.3% C 0.192 H 145.9°. Best body text is #000000 at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#51D463
RGB	rgb(81, 212, 99)
HSL	hsl(128, 60%, 57%)
HSV	hsv(128, 62%, 83%)
CMYK	cmyk(61.8%, 0%, 53.3%, 16.9%)
CIE-LAB	lab(75.91, -58.82, 45.03)
CIE-LCH	lch(75.91, 74.07, 142.56°)
OKLab	oklab(77.25% -0.1591 0.1079)
OKLCH	oklch(77.25% 0.192 145.9)
XYZ	xyz(29.1871, 49.7343, 19.8635)
Luminance	0.4974 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D463 #D451C2

analogous

#81D451 #51D463 #51D4A4

triadic

#51D463 #6351D4 #D46351

tetradic

#51D463 #5181D4 #D451C2 #D4A451

square

#51D463 #5181D4 #D451C2 #D4A451

split-complementary

#51D463 #A451D4 #D45181

monochromatic

#228930 #2EBA41 #51D463 #82E08F #B3ECBB

Accessibility & contrast

On white

1.92

#51D463 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.95

#51D463 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D463

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D463	#FFFFFF	#000000	##000000
##51D463	1.00	1.92	10.95	10.95
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.95	21.00	1.00	1.00
##000000	10.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C259

Deuteranopia (green-blind)

#C7B76B

Tritanopia (blue-blind)

#31CFBA

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51d463;
/* rgb */ color: rgb(81, 212, 99);
/* oklch */ color: oklch(77.3% 0.192 145.9);

Tailwind

colors: {
  custom: {
    50: '#8fe292',
    500: '#51d463',
    950: '#000000',
  },
}

SCSS

$custom: #51d463;
$custom-light: #8fe292;
$custom-dark: #000000;

JSON

{
  "hex": "#51d463",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 99
  },
  "hsl": {
    "h": 128.244,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.77252,
    "c": 0.19222,
    "h": 145.9
  },
  "luminance": 0.49737
}

Semantic roles & 50–950 ramp

primary

#51D463

secondary

#DBA6D4

accent

#44CEE4

background

#F9FEF9

surface

#F2FCF1

border

#CCD5CB

text

#0E150D

muted

#7E847E

Preview Lab

Preview with #51D463

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

Preview Lab → · Contrast checker → · Palette generator →