#81CC55#81CC55

#81CC55 is a light, vivid yellow-green. Relative luminance 0.485; OKLCH L 77.1% C 0.171 H 135.5°. Best body text is #000000 at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#81CC55
RGB	rgb(129, 204, 85)
HSL	hsl(98, 54%, 57%)
HSV	hsv(98, 58%, 80%)
CMYK	cmyk(36.8%, 0%, 58.3%, 20%)
CIE-LAB	lab(75.14, -44.00, 51.05)
CIE-LCH	lch(75.14, 67.39, 130.76°)
OKLab	oklab(77.08% -0.1218 0.1196)
OKLCH	oklch(77.08% 0.171 135.5)
XYZ	xyz(32.2850, 48.5072, 16.2543)
Luminance	0.4851 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CC55 #A055CC

analogous

#BDCC55 #81CC55 #55CC65

triadic

#81CC55 #5581CC #CC5581

tetradic

#81CC55 #55BDCC #A055CC #CC6555

square

#81CC55 #55BDCC #A055CC #CC6555

split-complementary

#81CC55 #6555CC #CC55BD

monochromatic

#488026 #62AF35 #81CC55 #A4DA84 #C7E8B3

Accessibility & contrast

On white

1.96

#81CC55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.70

#81CC55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CC55

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CC55	#FFFFFF	#000000	##000000
##81CC55	1.00	1.96	10.70	10.70
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.70	21.00	1.00	1.00
##000000	10.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BD48

Deuteranopia (green-blind)

#C8B75E

Tritanopia (blue-blind)

#7FC5B2

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #81cc55;
/* rgb */ color: rgb(129, 204, 85);
/* oklch */ color: oklch(77.1% 0.171 135.5);

Tailwind

colors: {
  custom: {
    50: '#aadc89',
    500: '#81cc55',
    950: '#000000',
  },
}

SCSS

$custom: #81cc55;
$custom-light: #aadc89;
$custom-dark: #000000;

JSON

{
  "hex": "#81cc55",
  "rgb": {
    "r": 129,
    "g": 204,
    "b": 85
  },
  "hsl": {
    "h": 97.815,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.77078,
    "c": 0.17075,
    "h": 135.5
  },
  "luminance": 0.48509
}

Semantic roles & 50–950 ramp

primary

#81CC55

secondary

#C5A6D7

accent

#4BDDA7

background

#FAFDF8

surface

#F4FBF0

border

#CED4CB

text

#10150C

muted

#7F837D

Preview Lab

Preview with #81CC55

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

Preview Lab → · Contrast checker → · Palette generator →