#81D552#81D552

#81D552 is a light, vivid yellow-green. Relative luminance 0.529; OKLCH L 79.2% C 0.185 H 136.0°. Best body text is #000000 at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#81D552
RGB	rgb(129, 213, 82)
HSL	hsl(98, 61%, 58%)
HSV	hsv(98, 62%, 84%)
CMYK	cmyk(39.4%, 0%, 61.5%, 16.5%)
CIE-LAB	lab(77.79, -48.07, 55.36)
CIE-LCH	lch(77.79, 73.31, 130.97°)
OKLab	oklab(79.23% -0.1332 0.1285)
OKLCH	oklch(79.23% 0.185 136)
XYZ	xyz(34.3696, 52.8630, 16.3736)
Luminance	0.5286 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D552 #A652D5

analogous

#C3D552 #81D552 #52D564

triadic

#81D552 #5281D5 #D55281

tetradic

#81D552 #52C3D5 #A652D5 #D56452

square

#81D552 #52C3D5 #A652D5 #D56452

split-complementary

#81D552 #6452D5 #D552C3

monochromatic

#478B22 #61BC2E #81D552 #A5E183 #C9EDB4

Accessibility & contrast

On white

1.81

#81D552 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.57

#81D552 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D552

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D552	#FFFFFF	#000000	##000000
##81D552	1.00	1.81	11.57	11.57
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.57	21.00	1.00	1.00
##000000	11.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC543

Deuteranopia (green-blind)

#D0BE5C

Tritanopia (blue-blind)

#7ECEB9

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d552;
/* rgb */ color: rgb(129, 213, 82);
/* oklch */ color: oklch(79.2% 0.185 136.0);

Tailwind

colors: {
  custom: {
    50: '#abe287',
    500: '#81d552',
    950: '#000000',
  },
}

SCSS

$custom: #81d552;
$custom-light: #abe287;
$custom-dark: #000000;

JSON

{
  "hex": "#81d552",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 82
  },
  "hsl": {
    "h": 98.473,
    "s": 60.93,
    "l": 57.843
  },
  "oklch": {
    "l": 0.79233,
    "c": 0.18509,
    "h": 136
  },
  "luminance": 0.52865
}

Semantic roles & 50–950 ramp

primary

#81D552

secondary

#723A91

accent

#44E4AB

background

#FDFEFC

surface

#F7FCF4

border

#D0D5CE

text

#11150C

muted

#81847F

Preview Lab

Preview with #81D552

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

Preview Lab → · Contrast checker → · Palette generator →