#51DA80#51DA80

#51DA80 is a light, vivid green. Relative luminance 0.535; OKLCH L 79.2% C 0.174 H 151.5°. Best body text is #000000 at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#51DA80
RGB	rgb(81, 218, 128)
HSL	hsl(141, 65%, 59%)
HSV	hsv(141, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 41.3%, 14.5%)
CIE-LAB	lab(78.14, -56.64, 33.59)
CIE-LCH	lch(78.14, 65.85, 149.33°)
OKLab	oklab(79.22% -0.153 0.0832)
OKLCH	oklch(79.22% 0.174 151.5)
XYZ	xyz(32.3585, 53.4474, 29.0290)
Luminance	0.5345 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA80 #DA51AB

analogous

#66DA51 #51DA80 #51DAC4

triadic

#51DA80 #8051DA #DA8051

tetradic

#51DA80 #5166DA #DA51AB #DAC451

square

#51DA80 #5166DA #DA51AB #DAC451

split-complementary

#51DA80 #C451DA #DA5166

monochromatic

#1F9246 #2AC45F #51DA80 #83E5A5 #B6EFCA

Accessibility & contrast

On white

1.80

#51DA80 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.69

#51DA80 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA80

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA80	#FFFFFF	#000000	##000000
##51DA80	1.00	1.80	11.69	11.69
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.69	21.00	1.00	1.00
##000000	11.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC97A

Deuteranopia (green-blind)

#C9BC86

Tritanopia (blue-blind)

#1BD7C4

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51da80;
/* rgb */ color: rgb(81, 218, 128);
/* oklch */ color: oklch(79.2% 0.174 151.5);

Tailwind

colors: {
  custom: {
    50: '#8fe6a6',
    500: '#51da80',
    950: '#000000',
  },
}

SCSS

$custom: #51da80;
$custom-light: #8fe6a6;
$custom-dark: #000000;

JSON

{
  "hex": "#51da80",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 128
  },
  "hsl": {
    "h": 140.584,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.7922,
    "c": 0.17414,
    "h": 151.5
  },
  "luminance": 0.53451
}

Semantic roles & 50–950 ramp

primary

#51DA80

secondary

#973976

accent

#40AEE8

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DA80

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

Preview Lab → · Contrast checker → · Palette generator →