#51D77E#51D77E

#51D77E is a light, vivid green. Relative luminance 0.519; OKLCH L 78.4% C 0.172 H 151.3°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#51D77E
RGB	rgb(81, 215, 126)
HSL	hsl(140, 63%, 58%)
HSV	hsv(140, 62%, 84%)
CMYK	cmyk(62.3%, 0%, 41.4%, 15.7%)
CIE-LAB	lab(77.19, -55.84, 33.37)
CIE-LCH	lch(77.19, 65.05, 149.14°)
OKLab	oklab(78.43% -0.1509 0.0826)
OKLCH	oklch(78.43% 0.172 151.3)
XYZ	xyz(31.4572, 51.8534, 28.0855)
Luminance	0.5186 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D77E #D751AA

analogous

#67D751 #51D77E #51D7C1

triadic

#51D77E #7E51D7 #D77E51

tetradic

#51D77E #5167D7 #D751AA #D7C151

square

#51D77E #5167D7 #D751AA #D7C151

split-complementary

#51D77E #C151D7 #D75167

monochromatic

#208D45 #2CBF5D #51D77E #83E2A3 #B5EEC8

Accessibility & contrast

On white

1.85

#51D77E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#51D77E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D77E

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D77E	#FFFFFF	#000000	##000000
##51D77E	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)

#D8C678

Deuteranopia (green-blind)

#C6BA84

Tritanopia (blue-blind)

#1FD4C1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d77e;
/* rgb */ color: rgb(81, 215, 126);
/* oklch */ color: oklch(78.4% 0.172 151.3);

Tailwind

colors: {
  custom: {
    50: '#8fe4a4',
    500: '#51d77e',
    950: '#000000',
  },
}

SCSS

$custom: #51d77e;
$custom-light: #8fe4a4;
$custom-dark: #000000;

JSON

{
  "hex": "#51d77e",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 126
  },
  "hsl": {
    "h": 140.149,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.78432,
    "c": 0.17198,
    "h": 151.3
  },
  "luminance": 0.51857
}

Semantic roles & 50–950 ramp

primary

#51D77E

secondary

#933975

accent

#42AFE6

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D77E

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

Preview Lab → · Contrast checker → · Palette generator →