#51D149#51D149

#51D149 is a light, highly saturated green. Relative luminance 0.478; OKLCH L 76.2% C 0.209 H 142.3°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#51D149
RGB	rgb(81, 209, 73)
HSL	hsl(116, 60%, 55%)
HSV	hsv(116, 65%, 82%)
CMYK	cmyk(61.2%, 0%, 65.1%, 18%)
CIE-LAB	lab(74.72, -60.74, 55.25)
CIE-LCH	lch(74.72, 82.11, 137.71°)
OKLab	oklab(76.19% -0.1654 0.1277)
OKLCH	oklch(76.19% 0.209 142.3)
XYZ	xyz(27.3949, 47.8287, 14.0902)
Luminance	0.4783 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D149 #C949D1

analogous

#95D149 #51D149 #49D185

triadic

#51D149 #4951D1 #D14951

tetradic

#51D149 #4995D1 #C949D1 #D18549

square

#51D149 #4995D1 #C949D1 #D18549

split-complementary

#51D149 #8549D1 #D14995

monochromatic

#267F20 #34B02D #51D149 #80DD7A #AEEAAB

Accessibility & contrast

On white

1.99

#51D149 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.57

#51D149 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D149

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D149	#FFFFFF	#000000	##000000
##51D149	1.00	1.99	10.57	10.57
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.57	21.00	1.00	1.00
##000000	10.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE38

Deuteranopia (green-blind)

#C6B455

Tritanopia (blue-blind)

#3ACBB5

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51d149;
/* rgb */ color: rgb(81, 209, 73);
/* oklch */ color: oklch(76.2% 0.209 142.3);

Tailwind

colors: {
  custom: {
    50: '#90e082',
    500: '#51d149',
    950: '#000000',
  },
}

SCSS

$custom: #51d149;
$custom-light: #90e082;
$custom-dark: #000000;

JSON

{
  "hex": "#51d149",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 73
  },
  "hsl": {
    "h": 116.471,
    "s": 59.649,
    "l": 55.294
  },
  "oklch": {
    "l": 0.76186,
    "c": 0.20898,
    "h": 142.3
  },
  "luminance": 0.47831
}

Semantic roles & 50–950 ramp

primary

#51D149

secondary

#D49ED7

accent

#45E3DA

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #51D149

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

Preview Lab → · Contrast checker → · Palette generator →