#51DD80#51DD80

#51DD80 is a light, vivid green. Relative luminance 0.550; OKLCH L 80.0% C 0.178 H 151.1°. Best body text is #000000 at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#51DD80
RGB	rgb(81, 221, 128)
HSL	hsl(140, 67%, 59%)
HSV	hsv(140, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 42.1%, 13.3%)
CIE-LAB	lab(79.05, -57.77, 34.77)
CIE-LCH	lch(79.05, 67.43, 148.96°)
OKLab	oklab(79.97% -0.156 0.0859)
OKLCH	oklch(79.97% 0.178 151.1)
XYZ	xyz(33.1435, 55.0173, 29.2906)
Luminance	0.5502 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD80 #DD51AE

analogous

#68DD51 #51DD80 #51DDC6

triadic

#51DD80 #8051DD #DD8051

tetradic

#51DD80 #5168DD #DD51AE #DDC651

square

#51DD80 #5168DD #DD51AE #DDC651

split-complementary

#51DD80 #C651DD #DD5168

monochromatic

#1D9646 #27C95E #51DD80 #84E7A5 #B7F1CB

Accessibility & contrast

On white

1.75

#51DD80 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.00

#51DD80 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD80

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD80	#FFFFFF	#000000	##000000
##51DD80	1.00	1.75	12.00	12.00
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.00	21.00	1.00	1.00
##000000	12.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DECB79

Deuteranopia (green-blind)

#CCBF86

Tritanopia (blue-blind)

#18DAC6

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51dd80;
/* rgb */ color: rgb(81, 221, 128);
/* oklch */ color: oklch(80.0% 0.178 151.1);

Tailwind

colors: {
  custom: {
    50: '#90e9a6',
    500: '#51dd80',
    950: '#000000',
  },
}

SCSS

$custom: #51dd80;
$custom-light: #90e9a6;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd80",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 128
  },
  "hsl": {
    "h": 140.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79971,
    "c": 0.1781,
    "h": 151.1
  },
  "luminance": 0.55021
}

Semantic roles & 50–950 ramp

primary

#51DD80

secondary

#9B3879

accent

#3EB0EA

background

#FCFEFC

surface

#F5FDF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DD80

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

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