#51D77F#51D77F

#51D77F is a light, vivid green. Relative luminance 0.519; OKLCH L 78.5% C 0.171 H 151.6°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#51D77F
RGB	rgb(81, 215, 127)
HSL	hsl(141, 63%, 58%)
HSV	hsv(141, 62%, 84%)
CMYK	cmyk(62.3%, 0%, 40.9%, 15.7%)
CIE-LAB	lab(77.21, -55.67, 32.88)
CIE-LCH	lch(77.21, 64.65, 149.43°)
OKLab	oklab(78.45% -0.1504 0.0815)
OKLCH	oklch(78.45% 0.171 151.6)
XYZ	xyz(31.5221, 51.8793, 28.4271)
Luminance	0.5188 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D77F #D751A9

analogous

#66D751 #51D77F #51D7C2

triadic

#51D77F #7F51D7 #D77F51

tetradic

#51D77F #5166D7 #D751A9 #D7C251

square

#51D77F #5166D7 #D751A9 #D7C251

split-complementary

#51D77F #C251D7 #D75166

monochromatic

#208D46 #2CBF5E #51D77F #83E2A4 #B5EEC8

Accessibility & contrast

On white

1.85

#51D77F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.38

#51D77F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D77F

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D77F	#FFFFFF	#000000	##000000
##51D77F	1.00	1.85	11.38	11.38
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.38	21.00	1.00	1.00
##000000	11.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C679

Deuteranopia (green-blind)

#C6BA85

Tritanopia (blue-blind)

#1ED4C1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d77f;
/* rgb */ color: rgb(81, 215, 127);
/* oklch */ color: oklch(78.5% 0.171 151.6);

Tailwind

colors: {
  custom: {
    50: '#8fe4a5',
    500: '#51d77f',
    950: '#000000',
  },
}

SCSS

$custom: #51d77f;
$custom-light: #8fe4a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51d77f",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 127
  },
  "hsl": {
    "h": 140.597,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.7845,
    "c": 0.17108,
    "h": 151.6
  },
  "luminance": 0.51883
}

Semantic roles & 50–950 ramp

primary

#51D77F

secondary

#933974

accent

#42AEE6

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D77F

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

Preview Lab → · Contrast checker → · Palette generator →