#81CB4B#81CB4B

#81CB4B is a light, vivid yellow-green. Relative luminance 0.479; OKLCH L 76.7% C 0.177 H 134.3°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#81CB4B
RGB	rgb(129, 203, 75)
HSL	hsl(95, 55%, 55%)
HSV	hsv(95, 63%, 80%)
CMYK	cmyk(36.5%, 0%, 63.1%, 20.4%)
CIE-LAB	lab(74.75, -44.51, 54.98)
CIE-LCH	lch(74.75, 70.74, 128.99°)
OKLab	oklab(76.73% -0.124 0.127)
OKLCH	oklch(76.73% 0.177 134.3)
XYZ	xyz(31.6786, 47.8856, 14.2289)
Luminance	0.4789 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CB4B #954BCB

analogous

#C1CB4B #81CB4B #4BCB55

triadic

#81CB4B #4B81CB #CB4B81

tetradic

#81CB4B #4BC1CB #954BCB #CB554B

square

#81CB4B #4BC1CB #954BCB #CB554B

split-complementary

#81CB4B #554BCB #CB4BC1

monochromatic

#477923 #63A831 #81CB4B #A2D97A #C3E6AA

Accessibility & contrast

On white

1.99

#81CB4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.58

#81CB4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CB4B

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CB4B	#FFFFFF	#000000	##000000
##81CB4B	1.00	1.99	10.58	10.58
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.58	21.00	1.00	1.00
##000000	10.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BC3B

Deuteranopia (green-blind)

#C8B655

Tritanopia (blue-blind)

#80C4B0

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #81cb4b;
/* rgb */ color: rgb(129, 203, 75);
/* oklch */ color: oklch(76.7% 0.177 134.3);

Tailwind

colors: {
  custom: {
    50: '#aadb83',
    500: '#81cb4b',
    950: '#000000',
  },
}

SCSS

$custom: #81cb4b;
$custom-light: #aadb83;
$custom-dark: #000000;

JSON

{
  "hex": "#81cb4b",
  "rgb": {
    "r": 129,
    "g": 203,
    "b": 75
  },
  "hsl": {
    "h": 94.688,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.76729,
    "c": 0.17746,
    "h": 134.3
  },
  "luminance": 0.47887
}

Semantic roles & 50–950 ramp

primary

#81CB4B

secondary

#BD9ED4

accent

#49DFA0

background

#FAFDF8

surface

#F4FBEF

border

#CED4CA

text

#10150B

muted

#7F837C

Preview Lab

Preview with #81CB4B

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

Preview Lab → · Contrast checker → · Palette generator →