#51DF80#51DF80

#51DF80 is a light, vivid green. Relative luminance 0.561; OKLCH L 80.5% C 0.181 H 150.9°. Best body text is #000000 at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#51DF80
RGB	rgb(81, 223, 128)
HSL	hsl(140, 69%, 60%)
HSV	hsv(140, 64%, 87%)
CMYK	cmyk(63.7%, 0%, 42.6%, 12.5%)
CIE-LAB	lab(79.66, -58.52, 35.56)
CIE-LCH	lch(79.66, 68.48, 148.72°)
OKLab	oklab(80.47% -0.158 0.0878)
OKLCH	oklch(80.47% 0.181 150.9)
XYZ	xyz(33.6746, 56.0797, 29.4677)
Luminance	0.5608 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DF80 #DF51B0

analogous

#69DF51 #51DF80 #51DFC7

triadic

#51DF80 #8051DF #DF8051

tetradic

#51DF80 #5169DF #DF51B0 #DFC751

square

#51DF80 #5169DF #DF51B0 #DFC751

split-complementary

#51DF80 #C751DF #DF5169

monochromatic

#1C9946 #26CD5D #51DF80 #85E9A6 #B8F2CB

Accessibility & contrast

On white

1.72

#51DF80 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.22

#51DF80 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DF80

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DF80	#FFFFFF	#000000	##000000
##51DF80	1.00	1.72	12.22	12.22
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.22	21.00	1.00	1.00
##000000	12.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0CD79

Deuteranopia (green-blind)

#CEC086

Tritanopia (blue-blind)

#16DCC8

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51df80;
/* rgb */ color: rgb(81, 223, 128);
/* oklch */ color: oklch(80.5% 0.181 150.9);

Tailwind

colors: {
  custom: {
    50: '#90eaa6',
    500: '#51df80',
    950: '#000000',
  },
}

SCSS

$custom: #51df80;
$custom-light: #90eaa6;
$custom-dark: #000000;

JSON

{
  "hex": "#51df80",
  "rgb": {
    "r": 81,
    "g": 223,
    "b": 128
  },
  "hsl": {
    "h": 139.859,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.80472,
    "c": 0.18073,
    "h": 150.9
  },
  "luminance": 0.56083
}

Semantic roles & 50–950 ramp

primary

#51DF80

secondary

#9D377B

accent

#3CB2EC

background

#FCFEFC

surface

#F5FDF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DF80

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

Preview Lab → · Contrast checker → · Palette generator →