#81BC40#81BC40

#81BC40 is a light, vivid yellow-green. Relative luminance 0.410; OKLCH L 73.0% C 0.166 H 131.3°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#81BC40
RGB	rgb(129, 188, 64)
HSL	hsl(89, 49%, 49%)
HSV	hsv(89, 66%, 74%)
CMYK	cmyk(31.4%, 0%, 66%, 26.3%)
CIE-LAB	lab(70.18, -38.92, 54.62)
CIE-LCH	lch(70.18, 67.07, 125.47°)
OKLab	oklab(72.97% -0.1096 0.1249)
OKLCH	oklch(72.97% 0.166 131.3)
XYZ	xyz(27.9616, 41.0028, 11.2906)
Luminance	0.4100 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BC40 #7B40BC

analogous

#BCB940 #81BC40 #43BC40

triadic

#81BC40 #4081BC #BC4081

tetradic

#81BC40 #40BCB9 #7B40BC #BC4043

square

#81BC40 #40BCB9 #7B40BC #BC4043

split-complementary

#81BC40 #4043BC #B940BC

monochromatic

#426121 #628E30 #81BC40 #9FCD6C #BDDD9A

Accessibility & contrast

On white

2.28

#81BC40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.20

#81BC40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BC40

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BC40	#FFFFFF	#000000	##000000
##81BC40	1.00	2.28	9.20	9.20
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.20	21.00	1.00	1.00
##000000	9.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE2F

Deuteranopia (green-blind)

#BCAA4A

Tritanopia (blue-blind)

#83B4A3

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #81bc40;
/* rgb */ color: rgb(129, 188, 64);
/* oklch */ color: oklch(73.0% 0.166 131.3);

Tailwind

colors: {
  custom: {
    50: '#a9d07b',
    500: '#81bc40',
    950: '#000000',
  },
}

SCSS

$custom: #81bc40;
$custom-light: #a9d07b;
$custom-dark: #000000;

JSON

{
  "hex": "#81bc40",
  "rgb": {
    "r": 129,
    "g": 188,
    "b": 64
  },
  "hsl": {
    "h": 88.548,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.72972,
    "c": 0.16612,
    "h": 131.3
  },
  "luminance": 0.41004
}

Semantic roles & 50–950 ramp

primary

#81BC40

secondary

#AB8FC9

accent

#4FD991

background

#FAFCF7

surface

#F4F9EE

border

#CED2C9

text

#10140A

muted

#7F827C

Preview Lab

Preview with #81BC40

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

Preview Lab → · Contrast checker → · Palette generator →