#51CE63#51CE63

#51CE63 is a light, vivid green. Relative luminance 0.468; OKLCH L 75.7% C 0.184 H 146.1°. Best body text is #000000 at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#51CE63
RGB	rgb(81, 206, 99)
HSL	hsl(129, 56%, 56%)
HSV	hsv(129, 61%, 81%)
CMYK	cmyk(60.7%, 0%, 51.9%, 19.2%)
CIE-LAB	lab(74.06, -56.61, 42.78)
CIE-LCH	lch(74.06, 70.96, 142.92°)
OKLab	oklab(75.73% -0.1531 0.1029)
OKLCH	oklch(75.73% 0.185 146.1)
XYZ	xyz(27.7150, 46.7901, 19.3728)
Luminance	0.4679 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CE63 #CE51BC

analogous

#7ECE51 #51CE63 #51CEA2

triadic

#51CE63 #6351CE #CE6351

tetradic

#51CE63 #517ECE #CE51BC #CEA251

square

#51CE63 #517ECE #CE51BC #CEA251

split-complementary

#51CE63 #A251CE #CE517E

monochromatic

#248031 #32B044 #51CE63 #81DB8E #B1E9B9

Accessibility & contrast

On white

2.03

#51CE63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.36

#51CE63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CE63

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CE63	#FFFFFF	#000000	##000000
##51CE63	1.00	2.03	10.36	10.36
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.36	21.00	1.00	1.00
##000000	10.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BD5A

Deuteranopia (green-blind)

#C1B26B

Tritanopia (blue-blind)

#33C9B6

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51ce63;
/* rgb */ color: rgb(81, 206, 99);
/* oklch */ color: oklch(75.7% 0.184 146.1);

Tailwind

colors: {
  custom: {
    50: '#8ede92',
    500: '#51ce63',
    950: '#000000',
  },
}

SCSS

$custom: #51ce63;
$custom-light: #8ede92;
$custom-dark: #000000;

JSON

{
  "hex": "#51ce63",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 99
  },
  "hsl": {
    "h": 128.64,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.75727,
    "c": 0.1845,
    "h": 146.1
  },
  "luminance": 0.46793
}

Semantic roles & 50–950 ramp

primary

#51CE63

secondary

#D7A4D0

accent

#48CADF

background

#F9FDF9

surface

#F2FBF1

border

#CCD4CB

text

#0D150D

muted

#7E837E

Preview Lab

Preview with #51CE63

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

Preview Lab → · Contrast checker → · Palette generator →