#81D556#81D556

#81D556 is a light, vivid yellow-green. Relative luminance 0.529; OKLCH L 79.3% C 0.182 H 136.5°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#81D556
RGB	rgb(129, 213, 86)
HSL	hsl(100, 60%, 59%)
HSV	hsv(100, 60%, 84%)
CMYK	cmyk(39.4%, 0%, 59.6%, 16.5%)
CIE-LAB	lab(77.83, -47.69, 53.67)
CIE-LCH	lch(77.83, 71.79, 131.62°)
OKLab	oklab(79.27% -0.1319 0.1253)
OKLCH	oklch(79.27% 0.182 136.5)
XYZ	xyz(34.5263, 52.9257, 17.1987)
Luminance	0.5293 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D556 #AA56D5

analogous

#C0D556 #81D556 #56D56A

triadic

#81D556 #5681D5 #D55681

tetradic

#81D556 #56C0D5 #AA56D5 #D56A56

square

#81D556 #56C0D5 #AA56D5 #D56A56

split-complementary

#81D556 #6A56D5 #D556C0

monochromatic

#478D23 #60BE2F #81D556 #A6E187 #CAEDB8

Accessibility & contrast

On white

1.81

#81D556 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.59

#81D556 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D556

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D556	#FFFFFF	#000000	##000000
##81D556	1.00	1.81	11.59	11.59
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.59	21.00	1.00	1.00
##000000	11.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC548

Deuteranopia (green-blind)

#D0BE60

Tritanopia (blue-blind)

#7ECEBA

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d556;
/* rgb */ color: rgb(129, 213, 86);
/* oklch */ color: oklch(79.3% 0.182 136.5);

Tailwind

colors: {
  custom: {
    50: '#abe28a',
    500: '#81d556',
    950: '#000000',
  },
}

SCSS

$custom: #81d556;
$custom-light: #abe28a;
$custom-dark: #000000;

JSON

{
  "hex": "#81d556",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 86
  },
  "hsl": {
    "h": 99.685,
    "s": 60.19,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79275,
    "c": 0.18193,
    "h": 136.5
  },
  "luminance": 0.52928
}

Semantic roles & 50–950 ramp

primary

#81D556

secondary

#763C93

accent

#44E3AE

background

#FDFEFC

surface

#F7FCF4

border

#D0D5CE

text

#10150C

muted

#81847F

Preview Lab

Preview with #81D556

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

Preview Lab → · Contrast checker → · Palette generator →