#51D87C#51D87C

#51D87C is a light, vivid green. Relative luminance 0.523; OKLCH L 78.6% C 0.175 H 150.7°. Best body text is #000000 at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#51D87C
RGB	rgb(81, 216, 124)
HSL	hsl(139, 63%, 58%)
HSV	hsv(139, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 42.6%, 15.3%)
CIE-LAB	lab(77.47, -56.55, 34.73)
CIE-LCH	lch(77.47, 66.37, 148.44°)
OKLab	oklab(78.65% -0.1527 0.0857)
OKLCH	oklch(78.65% 0.175 150.7)
XYZ	xyz(31.5849, 52.3131, 27.4978)
Luminance	0.5232 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D87C #D851AD

analogous

#69D851 #51D87C #51D8BF

triadic

#51D87C #7C51D8 #D87C51

tetradic

#51D87C #5169D8 #D851AD #D8BF51

square

#51D87C #5169D8 #D851AD #D8BF51

split-complementary

#51D87C #BF51D8 #D85169

monochromatic

#208F43 #2BC15B #51D87C #83E3A2 #B5EEC7

Accessibility & contrast

On white

1.83

#51D87C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.46

#51D87C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D87C

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D87C	#FFFFFF	#000000	##000000
##51D87C	1.00	1.83	11.46	11.46
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.46	21.00	1.00	1.00
##000000	11.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C775

Deuteranopia (green-blind)

#C8BB82

Tritanopia (blue-blind)

#20D5C2

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d87c;
/* rgb */ color: rgb(81, 216, 124);
/* oklch */ color: oklch(78.6% 0.175 150.7);

Tailwind

colors: {
  custom: {
    50: '#8fe5a3',
    500: '#51d87c',
    950: '#000000',
  },
}

SCSS

$custom: #51d87c;
$custom-light: #8fe5a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51d87c",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 124
  },
  "hsl": {
    "h": 139.111,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.78648,
    "c": 0.17515,
    "h": 150.7
  },
  "luminance": 0.52316
}

Semantic roles & 50–950 ramp

primary

#51D87C

secondary

#943977

accent

#41B2E6

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D87C

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

Preview Lab → · Contrast checker → · Palette generator →