#81BF39#81BF39

#81BF39 is a light, vivid yellow-green. Relative luminance 0.422; OKLCH L 73.6% C 0.175 H 131.2°. Best body text is #000000 at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#81BF39
RGB	rgb(129, 191, 57)
HSL	hsl(88, 54%, 49%)
HSV	hsv(88, 70%, 75%)
CMYK	cmyk(32.5%, 0%, 70.2%, 25.1%)
CIE-LAB	lab(71.02, -40.75, 58.26)
CIE-LCH	lch(71.02, 71.10, 124.97°)
OKLab	oklab(73.65% -0.1151 0.1316)
OKLCH	oklch(73.65% 0.175 131.2)
XYZ	xyz(28.4223, 42.2231, 10.5225)
Luminance	0.4222 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BF39 #7739BF

analogous

#BFBA39 #81BF39 #3EBF39

triadic

#81BF39 #3981BF #BF3981

tetradic

#81BF39 #39BFBA #7739BF #BF393E

square

#81BF39 #39BFBA #7739BF #BF393E

split-complementary

#81BF39 #393EBF #BA39BF

monochromatic

#41611D #61902B #81BF39 #9FD164 #BCDF93

Accessibility & contrast

On white

2.22

#81BF39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.44

#81BF39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BF39

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BF39	#FFFFFF	#000000	##000000
##81BF39	1.00	2.22	9.44	9.44
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.44	21.00	1.00	1.00
##000000	9.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B123

Deuteranopia (green-blind)

#BFAC45

Tritanopia (blue-blind)

#83B7A4

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81bf39;
/* rgb */ color: rgb(129, 191, 57);
/* oklch */ color: oklch(73.6% 0.175 131.2);

Tailwind

colors: {
  custom: {
    50: '#aad277',
    500: '#81bf39',
    950: '#000000',
  },
}

SCSS

$custom: #81bf39;
$custom-light: #aad277;
$custom-dark: #000000;

JSON

{
  "hex": "#81bf39",
  "rgb": {
    "r": 129,
    "g": 191,
    "b": 57
  },
  "hsl": {
    "h": 87.761,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.73645,
    "c": 0.17483,
    "h": 131.2
  },
  "luminance": 0.42224
}

Semantic roles & 50–950 ramp

primary

#81BF39

secondary

#A78ACA

accent

#4ADD8E

background

#FAFCF7

surface

#F4F9EE

border

#CED2C9

text

#101409

muted

#7F827B

Preview Lab

Preview with #81BF39

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

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