#81BF33#81BF33

#81BF33 is a light, vivid yellow-green. Relative luminance 0.422; OKLCH L 73.6% C 0.179 H 130.8°. Best body text is #000000 at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#81BF33
RGB	rgb(129, 191, 51)
HSL	hsl(87, 58%, 47%)
HSV	hsv(87, 73%, 75%)
CMYK	cmyk(32.5%, 0%, 73.3%, 25.1%)
CIE-LAB	lab(70.99, -41.14, 60.41)
CIE-LCH	lch(70.99, 73.08, 124.25°)
OKLab	oklab(73.6% -0.1166 0.1352)
OKLCH	oklch(73.6% 0.179 130.8)
XYZ	xyz(28.2814, 42.1668, 9.7802)
Luminance	0.4217 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BF33 #7133BF

analogous

#BFB733 #81BF33 #3BBF33

triadic

#81BF33 #3381BF #BF3381

tetradic

#81BF33 #33BFB7 #7133BF #BF333B

square

#81BF33 #33BFB7 #7133BF #BF333B

split-complementary

#81BF33 #333BBF #B733BF

monochromatic

#405E19 #608F26 #81BF33 #9ED35C #BBE08C

Accessibility & contrast

On white

2.23

#81BF33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.43

#81BF33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BF33

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BF33	#FFFFFF	#000000	##000000
##81BF33	1.00	2.23	9.43	9.43
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.43	21.00	1.00	1.00
##000000	9.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B118

Deuteranopia (green-blind)

#BFAC40

Tritanopia (blue-blind)

#84B7A4

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81bf33;
/* rgb */ color: rgb(129, 191, 51);
/* oklch */ color: oklch(73.6% 0.179 130.8);

Tailwind

colors: {
  custom: {
    50: '#aad274',
    500: '#81bf33',
    950: '#000000',
  },
}

SCSS

$custom: #81bf33;
$custom-light: #aad274;
$custom-dark: #000000;

JSON

{
  "hex": "#81bf33",
  "rgb": {
    "r": 129,
    "g": 191,
    "b": 51
  },
  "hsl": {
    "h": 86.571,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.73601,
    "c": 0.17855,
    "h": 130.8
  },
  "luminance": 0.42168
}

Semantic roles & 50–950 ramp

primary

#81BF33

secondary

#A383CB

accent

#47E18B

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#101409

muted

#7F827B

Preview Lab

Preview with #81BF33

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

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