#51D880#51D880

#51D880 is a light, vivid green. Relative luminance 0.524; OKLCH L 78.7% C 0.171 H 151.7°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#51D880
RGB	rgb(81, 216, 128)
HSL	hsl(141, 63%, 58%)
HSV	hsv(141, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 40.7%, 15.3%)
CIE-LAB	lab(77.53, -55.88, 32.79)
CIE-LCH	lch(77.53, 64.79, 149.60°)
OKLab	oklab(78.72% -0.151 0.0813)
OKLCH	oklch(78.72% 0.171 151.7)
XYZ	xyz(31.8430, 52.4164, 28.8571)
Luminance	0.5242 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D880 #D851A9

analogous

#65D851 #51D880 #51D8C3

triadic

#51D880 #8051D8 #D88051

tetradic

#51D880 #5165D8 #D851A9 #D8C351

square

#51D880 #5165D8 #D851A9 #D8C351

split-complementary

#51D880 #C351D8 #D85165

monochromatic

#208F46 #2BC15F #51D880 #83E3A4 #B5EEC9

Accessibility & contrast

On white

1.83

#51D880 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#51D880 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D880

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D880	#FFFFFF	#000000	##000000
##51D880	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C77A

Deuteranopia (green-blind)

#C7BB86

Tritanopia (blue-blind)

#1DD5C2

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d880;
/* rgb */ color: rgb(81, 216, 128);
/* oklch */ color: oklch(78.7% 0.171 151.7);

Tailwind

colors: {
  custom: {
    50: '#8fe5a6',
    500: '#51d880',
    950: '#000000',
  },
}

SCSS

$custom: #51d880;
$custom-light: #8fe5a6;
$custom-dark: #000000;

JSON

{
  "hex": "#51d880",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 128
  },
  "hsl": {
    "h": 140.889,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.78719,
    "c": 0.17149,
    "h": 151.7
  },
  "luminance": 0.5242
}

Semantic roles & 50–950 ramp

primary

#51D880

secondary

#943974

accent

#41ADE6

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D880

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

Preview Lab → · Contrast checker → · Palette generator →