#81BE40#81BE40

#81BE40 is a light, vivid yellow-green. Relative luminance 0.419; OKLCH L 73.5% C 0.169 H 131.6°. Best body text is #000000 at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#81BE40
RGB	rgb(129, 190, 64)
HSL	hsl(89, 50%, 50%)
HSV	hsv(89, 66%, 75%)
CMYK	cmyk(32.1%, 0%, 66.3%, 25.5%)
CIE-LAB	lab(70.78, -39.80, 55.26)
CIE-LCH	lch(70.78, 68.10, 125.76°)
OKLab	oklab(73.46% -0.112 0.1262)
OKLCH	oklch(73.46% 0.169 131.6)
XYZ	xyz(28.3918, 41.8632, 11.4340)
Luminance	0.4186 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BE40 #7D40BE

analogous

#BEBC40 #81BE40 #42BE40

triadic

#81BE40 #4081BE #BE4081

tetradic

#81BE40 #40BEBC #7D40BE #BE4042

square

#81BE40 #40BEBC #7D40BE #BE4042

split-complementary

#81BE40 #4042BE #BC40BE

monochromatic

#436221 #629031 #81BE40 #9FCE6D #BDDD9B

Accessibility & contrast

On white

2.24

#81BE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.37

#81BE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BE40

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BE40	#FFFFFF	#000000	##000000
##81BE40	1.00	2.24	9.37	9.37
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.37	21.00	1.00	1.00
##000000	9.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B02F

Deuteranopia (green-blind)

#BEAC4A

Tritanopia (blue-blind)

#83B6A4

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #81be40;
/* rgb */ color: rgb(129, 190, 64);
/* oklch */ color: oklch(73.5% 0.169 131.6);

Tailwind

colors: {
  custom: {
    50: '#aad27b',
    500: '#81be40',
    950: '#000000',
  },
}

SCSS

$custom: #81be40;
$custom-light: #aad27b;
$custom-dark: #000000;

JSON

{
  "hex": "#81be40",
  "rgb": {
    "r": 129,
    "g": 190,
    "b": 64
  },
  "hsl": {
    "h": 89.048,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.73459,
    "c": 0.16873,
    "h": 131.6
  },
  "luminance": 0.41864
}

Semantic roles & 50–950 ramp

primary

#81BE40

secondary

#AC90C9

accent

#4FD992

background

#FAFCF7

surface

#F4F9EE

border

#CED2C9

text

#10140A

muted

#7F827C

Preview Lab

Preview with #81BE40

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

Preview Lab → · Contrast checker → · Palette generator →