#51D87E#51D87E

#51D87E is a light, vivid green. Relative luminance 0.524; OKLCH L 78.7% C 0.173 H 151.2°. Best body text is #000000 at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#51D87E
RGB	rgb(81, 216, 126)
HSL	hsl(140, 63%, 58%)
HSV	hsv(140, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 41.7%, 15.3%)
CIE-LAB	lab(77.50, -56.22, 33.76)
CIE-LCH	lch(77.50, 65.58, 149.01°)
OKLab	oklab(78.68% -0.1519 0.0835)
OKLCH	oklch(78.68% 0.173 151.2)
XYZ	xyz(31.7126, 52.3642, 28.1707)
Luminance	0.5237 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D87E #D851AB

analogous

#67D851 #51D87E #51D8C1

triadic

#51D87E #7E51D8 #D87E51

tetradic

#51D87E #5167D8 #D851AB #D8C151

square

#51D87E #5167D8 #D851AB #D8C151

split-complementary

#51D87E #C151D8 #D85167

monochromatic

#208F45 #2BC15D #51D87E #83E3A3 #B5EEC8

Accessibility & contrast

On white

1.83

#51D87E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.47

#51D87E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D87E

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D87E	#FFFFFF	#000000	##000000
##51D87E	1.00	1.83	11.47	11.47
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.47	21.00	1.00	1.00
##000000	11.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C777

Deuteranopia (green-blind)

#C7BB84

Tritanopia (blue-blind)

#1ED5C2

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d87e;
/* rgb */ color: rgb(81, 216, 126);
/* oklch */ color: oklch(78.7% 0.173 151.2);

Tailwind

colors: {
  custom: {
    50: '#8fe5a4',
    500: '#51d87e',
    950: '#000000',
  },
}

SCSS

$custom: #51d87e;
$custom-light: #8fe5a4;
$custom-dark: #000000;

JSON

{
  "hex": "#51d87e",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 126
  },
  "hsl": {
    "h": 140,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.78683,
    "c": 0.17332,
    "h": 151.2
  },
  "luminance": 0.52367
}

Semantic roles & 50–950 ramp

primary

#51D87E

secondary

#943976

accent

#41AFE6

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D87E

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

Preview Lab → · Contrast checker → · Palette generator →