#81BF40#81BF40

#81BF40 is a light, vivid yellow-green. Relative luminance 0.423; OKLCH L 73.7% C 0.170 H 131.7°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#81BF40
RGB	rgb(129, 191, 64)
HSL	hsl(89, 50%, 50%)
HSV	hsv(89, 66%, 75%)
CMYK	cmyk(32.5%, 0%, 66.5%, 25.1%)
CIE-LAB	lab(71.08, -40.24, 55.57)
CIE-LCH	lch(71.08, 68.61, 125.91°)
OKLab	oklab(73.7% -0.1132 0.1269)
OKLCH	oklch(73.7% 0.17 131.7)
XYZ	xyz(28.6091, 42.2979, 11.5064)
Luminance	0.4230 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BF40 #7E40BF

analogous

#BFBD40 #81BF40 #42BF40

triadic

#81BF40 #4081BF #BF4081

tetradic

#81BF40 #40BFBD #7E40BF #BF4042

square

#81BF40 #40BFBD #7E40BF #BF4042

split-complementary

#81BF40 #4042BF #BD40BF

monochromatic

#436321 #629131 #81BF40 #9FCE6E #BDDE9C

Accessibility & contrast

On white

2.22

#81BF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#81BF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BF40

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BF40	#FFFFFF	#000000	##000000
##81BF40	1.00	2.22	9.46	9.46
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.46	21.00	1.00	1.00
##000000	9.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B12F

Deuteranopia (green-blind)

#BEAC4B

Tritanopia (blue-blind)

#83B7A5

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81bf40;
/* rgb */ color: rgb(129, 191, 64);
/* oklch */ color: oklch(73.7% 0.170 131.7);

Tailwind

colors: {
  custom: {
    50: '#aad27b',
    500: '#81bf40',
    950: '#000000',
  },
}

SCSS

$custom: #81bf40;
$custom-light: #aad27b;
$custom-dark: #000000;

JSON

{
  "hex": "#81bf40",
  "rgb": {
    "r": 129,
    "g": 191,
    "b": 64
  },
  "hsl": {
    "h": 89.291,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.73703,
    "c": 0.17002,
    "h": 131.7
  },
  "luminance": 0.42299
}

Semantic roles & 50–950 ramp

primary

#81BF40

secondary

#AD91CA

accent

#4ED992

background

#FAFCF7

surface

#F4F9EE

border

#CED2C9

text

#10140A

muted

#7F827C

Preview Lab

Preview with #81BF40

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

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