#81FC99#81FC99

#81FC99 is a very light, vivid green. Relative luminance 0.766; OKLCH L 89.6% C 0.175 H 148.3°. Best body text is #000000 at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#81FC99
RGB	rgb(129, 252, 153)
HSL	hsl(132, 95%, 75%)
HSV	hsv(132, 49%, 99%)
CMYK	cmyk(48.8%, 0%, 39.3%, 1.2%)
CIE-LAB	lab(90.13, -54.88, 37.05)
CIE-LCH	lch(90.13, 66.22, 145.98°)
OKLab	oklab(89.6% -0.149 0.0919)
OKLCH	oklch(89.6% 0.175 148.3)
XYZ	xyz(49.6104, 76.5840, 42.2987)
Luminance	0.7659 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81FC99 #FC81E4

analogous

#A7FC81 #81FC99 #81FCD6

triadic

#81FC99 #9981FC #FC9981

tetradic

#81FC99 #81A7FC #FC81E4 #FCD681

square

#81FC99 #81A7FC #FC81E4 #FCD681

split-complementary

#81FC99 #D681FC #FC81A7

monochromatic

#09F938 #45FB69 #81FC99 #BDFDC9 #E1FEE7

Accessibility & contrast

On white

1.29

#81FC99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.32

#81FC99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81FC99

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81FC99	#FFFFFF	#000000	##000000
##81FC99	1.00	1.29	16.32	16.32
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.32	21.00	1.00	1.00
##000000	16.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEEA92

Deuteranopia (green-blind)

#EDDE9F

Tritanopia (blue-blind)

#6AF8E3

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #81fc99;
/* rgb */ color: rgb(129, 252, 153);
/* oklch */ color: oklch(89.6% 0.175 148.3);

Tailwind

colors: {
  custom: {
    50: '#adfeb8',
    500: '#81fc99',
    950: '#000000',
  },
}

SCSS

$custom: #81fc99;
$custom-light: #adfeb8;
$custom-dark: #000000;

JSON

{
  "hex": "#81fc99",
  "rgb": {
    "r": 129,
    "g": 252,
    "b": 153
  },
  "hsl": {
    "h": 131.707,
    "s": 95.349,
    "l": 74.706
  },
  "oklch": {
    "l": 0.89601,
    "c": 0.17503,
    "h": 148.3
  },
  "luminance": 0.76588
}

Semantic roles & 50–950 ramp

primary

#81FC99

secondary

#DA47BE

accent

#00B9E6

background

#FDFFFD

surface

#F8FFF8

border

#D1D7D1

text

#111811

muted

#818681

Preview Lab

Preview with #81FC99

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

Preview Lab → · Contrast checker → · Palette generator →