#81CB38#81CB38

#81CB38 is a light, vivid yellow-green. Relative luminance 0.477; OKLCH L 76.6% C 0.190 H 132.8°. Best body text is #000000 at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#81CB38
RGB	rgb(129, 203, 56)
HSL	hsl(90, 59%, 51%)
HSV	hsv(90, 72%, 80%)
CMYK	cmyk(36.5%, 0%, 72.4%, 20.4%)
CIE-LAB	lab(74.61, -45.94, 62.24)
CIE-LCH	lch(74.61, 77.36, 126.43°)
OKLab	oklab(76.57% -0.1293 0.1398)
OKLCH	oklch(76.57% 0.19 132.8)
XYZ	xyz(31.1226, 47.6632, 11.3007)
Luminance	0.4767 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CB38 #8238CB

analogous

#CBCB38 #81CB38 #38CB38

triadic

#81CB38 #3881CB #CB3881

tetradic

#81CB38 #38CBCB #8238CB #CB3838

square

#81CB38 #38CBCB #8238CB #CB3838

split-complementary

#81CB38 #3838CB #CB38CB

monochromatic

#446C1C #639D29 #81CB38 #A0D869 #BEE499

Accessibility & contrast

On white

1.99

#81CB38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.53

#81CB38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CB38

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CB38	#FFFFFF	#000000	##000000
##81CB38	1.00	1.99	10.53	10.53
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.53	21.00	1.00	1.00
##000000	10.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB1D

Deuteranopia (green-blind)

#C9B646

Tritanopia (blue-blind)

#82C3AE

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #81cb38;
/* rgb */ color: rgb(129, 203, 56);
/* oklch */ color: oklch(76.6% 0.190 132.8);

Tailwind

colors: {
  custom: {
    50: '#abdb78',
    500: '#81cb38',
    950: '#000000',
  },
}

SCSS

$custom: #81cb38;
$custom-light: #abdb78;
$custom-dark: #000000;

JSON

{
  "hex": "#81cb38",
  "rgb": {
    "r": 129,
    "g": 203,
    "b": 56
  },
  "hsl": {
    "h": 90.204,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.76569,
    "c": 0.1904,
    "h": 132.8
  },
  "luminance": 0.47665
}

Semantic roles & 50–950 ramp

primary

#81CB38

secondary

#B08FD0

accent

#46E294

background

#FBFDF7

surface

#F6FBEE

border

#D0D4C9

text

#111509

muted

#80837B

Preview Lab

Preview with #81CB38

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

Preview Lab → · Contrast checker → · Palette generator →