#51C751#51C751

#51C751 is a light, vivid green. Relative luminance 0.432; OKLCH L 73.7% C 0.191 H 143.3°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#51C751
RGB	rgb(81, 199, 81)
HSL	hsl(120, 51%, 55%)
HSV	hsv(120, 59%, 78%)
CMYK	cmyk(59.3%, 0%, 59.3%, 22%)
CIE-LAB	lab(71.68, -56.30, 48.38)
CIE-LCH	lch(71.68, 74.23, 139.33°)
OKLab	oklab(73.71% -0.153 0.1139)
OKLCH	oklch(73.71% 0.191 143.3)
XYZ	xyz(25.3006, 43.1879, 14.7858)
Luminance	0.4319 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C751 #C751C7

analogous

#8CC751 #51C751 #51C78C

triadic

#51C751 #5151C7 #C75151

tetradic

#51C751 #518CC7 #C751C7 #C78C51

square

#51C751 #518CC7 #C751C7 #C78C51

split-complementary

#51C751 #8C51C7 #C7518C

monochromatic

#267726 #35A635 #51C751 #7FD67F #AEE5AE

Accessibility & contrast

On white

2.18

#51C751 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.64

#51C751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C751

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C751	#FFFFFF	#000000	##000000
##51C751	1.00	2.18	9.64	9.64
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.64	21.00	1.00	1.00
##000000	9.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB645

Deuteranopia (green-blind)

#BCAC5A

Tritanopia (blue-blind)

#3CC2AD

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51c751;
/* rgb */ color: rgb(81, 199, 81);
/* oklch */ color: oklch(73.7% 0.191 143.3);

Tailwind

colors: {
  custom: {
    50: '#8ed986',
    500: '#51c751',
    950: '#000000',
  },
}

SCSS

$custom: #51c751;
$custom-light: #8ed986;
$custom-dark: #000000;

JSON

{
  "hex": "#51c751",
  "rgb": {
    "r": 81,
    "g": 199,
    "b": 81
  },
  "hsl": {
    "h": 120,
    "s": 51.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.73705,
    "c": 0.1907,
    "h": 143.3
  },
  "luminance": 0.4319
}

Semantic roles & 50–950 ramp

primary

#51C751

secondary

#D3A1D3

accent

#4DDBDB

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #51C751

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

Preview Lab → · Contrast checker → · Palette generator →