#51D87F#51D87F

#51D87F is a light, vivid green. Relative luminance 0.524; OKLCH L 78.7% C 0.172 H 151.4°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#51D87F
RGB	rgb(81, 216, 127)
HSL	hsl(140, 63%, 58%)
HSV	hsv(140, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 41.2%, 15.3%)
CIE-LAB	lab(77.51, -56.05, 33.28)
CIE-LCH	lch(77.51, 65.18, 149.30°)
OKLab	oklab(78.7% -0.1514 0.0824)
OKLCH	oklch(78.7% 0.172 151.4)
XYZ	xyz(31.7775, 52.3902, 28.5122)
Luminance	0.5239 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D87F #D851AA

analogous

#67D851 #51D87F #51D8C2

triadic

#51D87F #7F51D8 #D87F51

tetradic

#51D87F #5167D8 #D851AA #D8C251

square

#51D87F #5167D8 #D851AA #D8C251

split-complementary

#51D87F #C251D8 #D85167

monochromatic

#208F46 #2BC15E #51D87F #83E3A4 #B5EEC9

Accessibility & contrast

On white

1.83

#51D87F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#51D87F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D87F

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D87F	#FFFFFF	#000000	##000000
##51D87F	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C779

Deuteranopia (green-blind)

#C7BB85

Tritanopia (blue-blind)

#1ED5C2

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d87f;
/* rgb */ color: rgb(81, 216, 127);
/* oklch */ color: oklch(78.7% 0.172 151.4);

Tailwind

colors: {
  custom: {
    50: '#8fe5a5',
    500: '#51d87f',
    950: '#000000',
  },
}

SCSS

$custom: #51d87f;
$custom-light: #8fe5a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51d87f",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 127
  },
  "hsl": {
    "h": 140.444,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.78701,
    "c": 0.1724,
    "h": 151.4
  },
  "luminance": 0.52393
}

Semantic roles & 50–950 ramp

primary

#51D87F

secondary

#943975

accent

#41AEE6

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D87F

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

Preview Lab → · Contrast checker → · Palette generator →