#81CC4E#81CC4E

#81CC4E is a light, vivid yellow-green. Relative luminance 0.484; OKLCH L 77.0% C 0.176 H 134.7°. Best body text is #000000 at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#81CC4E
RGB	rgb(129, 204, 78)
HSL	hsl(96, 55%, 55%)
HSV	hsv(96, 62%, 80%)
CMYK	cmyk(36.8%, 0%, 61.8%, 20%)
CIE-LAB	lab(75.08, -44.66, 54.06)
CIE-LCH	lch(75.08, 70.12, 129.57°)
OKLab	oklab(77% -0.1242 0.1253)
OKLCH	oklch(77% 0.176 134.7)
XYZ	xyz(32.0206, 48.4014, 14.8615)
Luminance	0.4840 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CC4E #994ECC

analogous

#C0CC4E #81CC4E #4ECC5A

triadic

#81CC4E #4E81CC #CC4E81

tetradic

#81CC4E #4EC0CC #994ECC #CC5A4E

square

#81CC4E #4EC0CC #994ECC #CC5A4E

split-complementary

#81CC4E #5A4ECC #CC4EC0

monochromatic

#477C24 #63AB31 #81CC4E #A3DA7E #C5E7AD

Accessibility & contrast

On white

1.97

#81CC4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.68

#81CC4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CC4E

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CC4E	#FFFFFF	#000000	##000000
##81CC4E	1.00	1.97	10.68	10.68
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.68	21.00	1.00	1.00
##000000	10.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BD3F

Deuteranopia (green-blind)

#C9B758

Tritanopia (blue-blind)

#80C5B1

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #81cc4e;
/* rgb */ color: rgb(129, 204, 78);
/* oklch */ color: oklch(77.0% 0.176 134.7);

Tailwind

colors: {
  custom: {
    50: '#aadc84',
    500: '#81cc4e',
    950: '#000000',
  },
}

SCSS

$custom: #81cc4e;
$custom-light: #aadc84;
$custom-dark: #000000;

JSON

{
  "hex": "#81cc4e",
  "rgb": {
    "r": 129,
    "g": 204,
    "b": 78
  },
  "hsl": {
    "h": 95.714,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.77003,
    "c": 0.17645,
    "h": 134.7
  },
  "luminance": 0.48403
}

Semantic roles & 50–950 ramp

primary

#81CC4E

secondary

#C0A1D5

accent

#49DFA2

background

#FAFDF8

surface

#F4FBEF

border

#CED4CA

text

#10150B

muted

#7F837C

Preview Lab

Preview with #81CC4E

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

Preview Lab → · Contrast checker → · Palette generator →