#81D643#81D643

#81D643 is a light, vivid yellow-green. Relative luminance 0.532; OKLCH L 79.3% C 0.197 H 134.8°. Best body text is #000000 at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#81D643
RGB	rgb(129, 214, 67)
HSL	hsl(95, 64%, 55%)
HSV	hsv(95, 69%, 84%)
CMYK	cmyk(39.7%, 0%, 68.7%, 16.1%)
CIE-LAB	lab(77.97, -49.72, 61.62)
CIE-LCH	lch(77.97, 79.18, 128.90°)
OKLab	oklab(79.34% -0.1388 0.14)
OKLCH	oklch(79.34% 0.197 134.8)
XYZ	xyz(34.1122, 53.1638, 13.7733)
Luminance	0.5317 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D643 #9843D6

analogous

#CAD643 #81D643 #43D64F

triadic

#81D643 #4381D6 #D64381

tetradic

#81D643 #43CAD6 #9843D6 #D64F43

square

#81D643 #43CAD6 #9843D6 #D64F43

split-complementary

#81D643 #4F43D6 #D643CA

monochromatic

#47821C #63B427 #81D643 #A3E175 #C4ECA7

Accessibility & contrast

On white

1.81

#81D643 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.63

#81D643 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D643

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D643	#FFFFFF	#000000	##000000
##81D643	1.00	1.81	11.63	11.63
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.63	21.00	1.00	1.00
##000000	11.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC52D

Deuteranopia (green-blind)

#D2BE50

Tritanopia (blue-blind)

#7FCEB9

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #81d643;
/* rgb */ color: rgb(129, 214, 67);
/* oklch */ color: oklch(79.3% 0.197 134.8);

Tailwind

colors: {
  custom: {
    50: '#ace37f',
    500: '#81d643',
    950: '#000000',
  },
}

SCSS

$custom: #81d643;
$custom-light: #ace37f;
$custom-dark: #000000;

JSON

{
  "hex": "#81d643",
  "rgb": {
    "r": 129,
    "g": 214,
    "b": 67
  },
  "hsl": {
    "h": 94.694,
    "s": 64.192,
    "l": 55.098
  },
  "oklch": {
    "l": 0.79339,
    "c": 0.19711,
    "h": 134.8
  },
  "luminance": 0.53166
}

Semantic roles & 50–950 ramp

primary

#81D643

secondary

#653489

accent

#41E7A1

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11150B

muted

#81847E

Preview Lab

Preview with #81D643

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

Preview Lab → · Contrast checker → · Palette generator →