#51D63B#51D63B

#51D63B is a light, highly saturated green. Relative luminance 0.502; OKLCH L 77.3% C 0.224 H 141.1°. Best body text is #000000 at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#51D63B
RGB	rgb(81, 214, 59)
HSL	hsl(111, 65%, 54%)
HSV	hsv(111, 72%, 84%)
CMYK	cmyk(62.1%, 0%, 72.4%, 16.1%)
CIE-LAB	lab(76.16, -63.67, 62.14)
CIE-LCH	lch(76.16, 88.97, 135.69°)
OKLab	oklab(77.35% -0.174 0.1406)
OKLCH	oklch(77.35% 0.224 141.1)
XYZ	xyz(28.2279, 50.1555, 12.3302)
Luminance	0.5016 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D63B #C03BD6

analogous

#9ED63B #51D63B #3BD672

triadic

#51D63B #3B51D6 #D63B51

tetradic

#51D63B #3B9ED6 #C03BD6 #D6723B

square

#51D63B #3B9ED6 #C03BD6 #D6723B

split-complementary

#51D63B #723BD6 #D63B9E

monochromatic

#287D1A #38AF25 #51D63B #7EE16E #ABEBA0

Accessibility & contrast

On white

1.90

#51D63B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.03

#51D63B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D63B

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D63B	#FFFFFF	#000000	##000000
##51D63B	1.00	1.90	11.03	11.03
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.03	21.00	1.00	1.00
##000000	11.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC21E

Deuteranopia (green-blind)

#CBB84B

Tritanopia (blue-blind)

#3BCFB8

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51d63b;
/* rgb */ color: rgb(81, 214, 59);
/* oklch */ color: oklch(77.3% 0.224 141.1);

Tailwind

colors: {
  custom: {
    50: '#91e47a',
    500: '#51d63b',
    950: '#000000',
  },
}

SCSS

$custom: #51d63b;
$custom-light: #91e47a;
$custom-dark: #000000;

JSON

{
  "hex": "#51d63b",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 59
  },
  "hsl": {
    "h": 111.484,
    "s": 65.401,
    "l": 53.529
  },
  "oklch": {
    "l": 0.7735,
    "c": 0.22372,
    "h": 141.1
  },
  "luminance": 0.50158
}

Semantic roles & 50–950 ramp

primary

#51D63B

secondary

#783184

accent

#3FE8D0

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0E160A

muted

#7F847D

Preview Lab

Preview with #51D63B

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

Preview Lab → · Contrast checker → · Palette generator →