#81D549#81D549

#81D549 is a light, vivid yellow-green. Relative luminance 0.527; OKLCH L 79.1% C 0.192 H 135.2°. Best body text is #000000 at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#81D549
RGB	rgb(129, 213, 73)
HSL	hsl(96, 63%, 56%)
HSV	hsv(96, 66%, 84%)
CMYK	cmyk(39.4%, 0%, 65.7%, 16.5%)
CIE-LAB	lab(77.72, -48.85, 59.01)
CIE-LCH	lch(77.72, 76.61, 129.62°)
OKLab	oklab(79.15% -0.136 0.1353)
OKLCH	oklch(79.15% 0.192 135.2)
XYZ	xyz(34.0493, 52.7349, 14.6868)
Luminance	0.5274 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D549 #9D49D5

analogous

#C7D549 #81D549 #49D557

triadic

#81D549 #4981D5 #D54981

tetradic

#81D549 #49C7D5 #9D49D5 #D55749

square

#81D549 #49C7D5 #9D49D5 #D55749

split-complementary

#81D549 #5749D5 #D549C7

monochromatic

#48851F #62B72A #81D549 #A3E07B #C6ECAC

Accessibility & contrast

On white

1.82

#81D549 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.55

#81D549 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D549

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D549	#FFFFFF	#000000	##000000
##81D549	1.00	1.82	11.55	11.55
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.55	21.00	1.00	1.00
##000000	11.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC436

Deuteranopia (green-blind)

#D1BE55

Tritanopia (blue-blind)

#7FCDB8

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d549;
/* rgb */ color: rgb(129, 213, 73);
/* oklch */ color: oklch(79.1% 0.192 135.2);

Tailwind

colors: {
  custom: {
    50: '#abe282',
    500: '#81d549',
    950: '#000000',
  },
}

SCSS

$custom: #81d549;
$custom-light: #abe282;
$custom-dark: #000000;

JSON

{
  "hex": "#81d549",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 73
  },
  "hsl": {
    "h": 96,
    "s": 62.5,
    "l": 56.078
  },
  "oklch": {
    "l": 0.79146,
    "c": 0.19178,
    "h": 135.2
  },
  "luminance": 0.52737
}

Semantic roles & 50–950 ramp

primary

#81D549

secondary

#6A378C

accent

#42E6A4

background

#FDFEFB

surface

#F7FCF2

border

#D0D5CC

text

#11150B

muted

#81847E

Preview Lab

Preview with #81D549

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

Preview Lab → · Contrast checker → · Palette generator →