#51D148#51D148

#51D148 is a light, highly saturated green. Relative luminance 0.478; OKLCH L 76.2% C 0.210 H 142.2°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#51D148
RGB	rgb(81, 209, 72)
HSL	hsl(116, 60%, 55%)
HSV	hsv(116, 66%, 82%)
CMYK	cmyk(61.2%, 0%, 65.6%, 18%)
CIE-LAB	lab(74.71, -60.84, 55.65)
CIE-LCH	lch(74.71, 82.45, 137.55°)
OKLab	oklab(76.18% -0.1657 0.1285)
OKLCH	oklch(76.18% 0.21 142.2)
XYZ	xyz(27.3620, 47.8155, 13.9170)
Luminance	0.4782 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D148 #C848D1

analogous

#96D148 #51D148 #48D183

triadic

#51D148 #4851D1 #D14851

tetradic

#51D148 #4896D1 #C848D1 #D18348

square

#51D148 #4896D1 #C848D1 #D18348

split-complementary

#51D148 #8348D1 #D14896

monochromatic

#267F20 #35B02C #51D148 #80DD79 #AEEAAA

Accessibility & contrast

On white

1.99

#51D148 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#51D148 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D148

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D148	#FFFFFF	#000000	##000000
##51D148	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE36

Deuteranopia (green-blind)

#C6B454

Tritanopia (blue-blind)

#3ACBB5

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51d148;
/* rgb */ color: rgb(81, 209, 72);
/* oklch */ color: oklch(76.2% 0.210 142.2);

Tailwind

colors: {
  custom: {
    50: '#90e081',
    500: '#51d148',
    950: '#000000',
  },
}

SCSS

$custom: #51d148;
$custom-light: #90e081;
$custom-dark: #000000;

JSON

{
  "hex": "#51d148",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 72
  },
  "hsl": {
    "h": 116.058,
    "s": 59.825,
    "l": 55.098
  },
  "oklch": {
    "l": 0.76176,
    "c": 0.20968,
    "h": 142.2
  },
  "luminance": 0.47818
}

Semantic roles & 50–950 ramp

primary

#51D148

secondary

#D39ED7

accent

#45E3D9

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #51D148

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

Preview Lab → · Contrast checker → · Palette generator →