#51D77D#51D77D

#51D77D is a light, vivid green. Relative luminance 0.518; OKLCH L 78.4% C 0.173 H 151.0°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#51D77D
RGB	rgb(81, 215, 125)
HSL	hsl(140, 63%, 58%)
HSV	hsv(140, 62%, 84%)
CMYK	cmyk(62.3%, 0%, 41.9%, 15.7%)
CIE-LAB	lab(77.18, -56.01, 33.85)
CIE-LCH	lch(77.18, 65.44, 148.85°)
OKLab	oklab(78.42% -0.1513 0.0837)
OKLCH	oklch(78.42% 0.173 151)
XYZ	xyz(31.3930, 51.8277, 27.7474)
Luminance	0.5183 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D77D #D751AB

analogous

#68D751 #51D77D #51D7C0

triadic

#51D77D #7D51D7 #D77D51

tetradic

#51D77D #5168D7 #D751AB #D7C051

square

#51D77D #5168D7 #D751AB #D7C051

split-complementary

#51D77D #C051D7 #D75168

monochromatic

#208D44 #2CBF5C #51D77D #83E2A2 #B5EEC7

Accessibility & contrast

On white

1.85

#51D77D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#51D77D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D77D

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D77D	#FFFFFF	#000000	##000000
##51D77D	1.00	1.85	11.37	11.37
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.37	21.00	1.00	1.00
##000000	11.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C676

Deuteranopia (green-blind)

#C7BA83

Tritanopia (blue-blind)

#20D4C1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d77d;
/* rgb */ color: rgb(81, 215, 125);
/* oklch */ color: oklch(78.4% 0.173 151.0);

Tailwind

colors: {
  custom: {
    50: '#8fe4a3',
    500: '#51d77d',
    950: '#000000',
  },
}

SCSS

$custom: #51d77d;
$custom-light: #8fe4a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51d77d",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 125
  },
  "hsl": {
    "h": 139.701,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.78415,
    "c": 0.1729,
    "h": 151
  },
  "luminance": 0.51831
}

Semantic roles & 50–950 ramp

primary

#51D77D

secondary

#933975

accent

#42B0E6

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D77D

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

Preview Lab → · Contrast checker → · Palette generator →