#81D542#81D542

#81D542 is a light, vivid yellow-green. Relative luminance 0.526; OKLCH L 79.1% C 0.197 H 134.6°. Best body text is #000000 at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#81D542
RGB	rgb(129, 213, 66)
HSL	hsl(94, 64%, 55%)
HSV	hsv(94, 69%, 84%)
CMYK	cmyk(39.4%, 0%, 69%, 16.5%)
CIE-LAB	lab(77.67, -49.39, 61.68)
CIE-LCH	lch(77.67, 79.02, 128.68°)
OKLab	oklab(79.09% -0.1379 0.14)
OKLCH	oklch(79.09% 0.197 134.6)
XYZ	xyz(33.8302, 52.6473, 13.5326)
Luminance	0.5265 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D542 #9642D5

analogous

#CAD542 #81D542 #42D54D

triadic

#81D542 #4281D5 #D54281

tetradic

#81D542 #42CAD5 #9642D5 #D54D42

square

#81D542 #42CAD5 #9642D5 #D54D42

split-complementary

#81D542 #4D42D5 #D542CA

monochromatic

#47801C #63B228 #81D542 #A2E074 #C4EBA6

Accessibility & contrast

On white

1.82

#81D542 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.53

#81D542 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D542

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D542	#FFFFFF	#000000	##000000
##81D542	1.00	1.82	11.53	11.53
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.53	21.00	1.00	1.00
##000000	11.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC42B

Deuteranopia (green-blind)

#D1BD4F

Tritanopia (blue-blind)

#80CDB8

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d542;
/* rgb */ color: rgb(129, 213, 66);
/* oklch */ color: oklch(79.1% 0.197 134.6);

Tailwind

colors: {
  custom: {
    50: '#abe27e',
    500: '#81d542',
    950: '#000000',
  },
}

SCSS

$custom: #81d542;
$custom-light: #abe27e;
$custom-dark: #000000;

JSON

{
  "hex": "#81d542",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 66
  },
  "hsl": {
    "h": 94.286,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79087,
    "c": 0.19652,
    "h": 134.6
  },
  "luminance": 0.52649
}

Semantic roles & 50–950 ramp

primary

#81D542

secondary

#643487

accent

#41E7A0

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D542

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

Preview Lab → · Contrast checker → · Palette generator →