#81BF3F#81BF3F

#81BF3F is a light, vivid yellow-green. Relative luminance 0.423; OKLCH L 73.7% C 0.171 H 131.6°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#81BF3F
RGB	rgb(129, 191, 63)
HSL	hsl(89, 50%, 50%)
HSV	hsv(89, 67%, 75%)
CMYK	cmyk(32.5%, 0%, 67%, 25.1%)
CIE-LAB	lab(71.07, -40.32, 55.97)
CIE-LCH	lch(71.07, 68.98, 125.77°)
OKLab	oklab(73.69% -0.1135 0.1276)
OKLCH	oklch(73.69% 0.171 131.6)
XYZ	xyz(28.5809, 42.2866, 11.3579)
Luminance	0.4229 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BF3F #7D3FBF

analogous

#BFBD3F #81BF3F #41BF3F

triadic

#81BF3F #3F81BF #BF3F81

tetradic

#81BF3F #3FBFBD #7D3FBF #BF3F41

square

#81BF3F #3FBFBD #7D3FBF #BF3F41

split-complementary

#81BF3F #3F41BF #BD3FBF

monochromatic

#436321 #629130 #81BF3F #9FCF6D #BDDE9B

Accessibility & contrast

On white

2.22

#81BF3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#81BF3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BF3F

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BF3F	#FFFFFF	#000000	##000000
##81BF3F	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)

#C7B12D

Deuteranopia (green-blind)

#BEAC4A

Tritanopia (blue-blind)

#83B7A5

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81bf3f;
/* rgb */ color: rgb(129, 191, 63);
/* oklch */ color: oklch(73.7% 0.171 131.6);

Tailwind

colors: {
  custom: {
    50: '#aad27b',
    500: '#81bf3f',
    950: '#000000',
  },
}

SCSS

$custom: #81bf3f;
$custom-light: #aad27b;
$custom-dark: #000000;

JSON

{
  "hex": "#81bf3f",
  "rgb": {
    "r": 129,
    "g": 191,
    "b": 63
  },
  "hsl": {
    "h": 89.063,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.73694,
    "c": 0.17074,
    "h": 131.6
  },
  "luminance": 0.42288
}

Semantic roles & 50–950 ramp

primary

#81BF3F

secondary

#AC90CA

accent

#4EDA92

background

#FAFCF7

surface

#F4F9EE

border

#CED2C9

text

#10140A

muted

#7F827C

Preview Lab

Preview with #81BF3F

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

Preview Lab → · Contrast checker → · Palette generator →