#81BF3B#81BF3B

#81BF3B is a light, vivid yellow-green. Relative luminance 0.422; OKLCH L 73.7% C 0.173 H 131.3°. Best body text is #000000 at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#81BF3B
RGB	rgb(129, 191, 59)
HSL	hsl(88, 53%, 49%)
HSV	hsv(88, 69%, 75%)
CMYK	cmyk(32.5%, 0%, 69.1%, 25.1%)
CIE-LAB	lab(71.04, -40.61, 57.51)
CIE-LCH	lch(71.04, 70.41, 125.23°)
OKLab	oklab(73.66% -0.1146 0.1303)
OKLCH	oklch(73.66% 0.174 131.3)
XYZ	xyz(28.4732, 42.2435, 10.7904)
Luminance	0.4224 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BF3B #793BBF

analogous

#BFBB3B #81BF3B #3FBF3B

triadic

#81BF3B #3B81BF #BF3B81

tetradic

#81BF3B #3BBFBB #793BBF #BF3B3F

square

#81BF3B #3BBFBB #793BBF #BF3B3F

split-complementary

#81BF3B #3B3FBF #BB3BBF

monochromatic

#42611E #61902D #81BF3B #9FD067 #BCDF96

Accessibility & contrast

On white

2.22

#81BF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.45

#81BF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BF3B

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BF3B	#FFFFFF	#000000	##000000
##81BF3B	1.00	2.22	9.45	9.45
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.45	21.00	1.00	1.00
##000000	9.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B127

Deuteranopia (green-blind)

#BFAC47

Tritanopia (blue-blind)

#83B7A5

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81bf3b;
/* rgb */ color: rgb(129, 191, 59);
/* oklch */ color: oklch(73.7% 0.173 131.3);

Tailwind

colors: {
  custom: {
    50: '#aad278',
    500: '#81bf3b',
    950: '#000000',
  },
}

SCSS

$custom: #81bf3b;
$custom-light: #aad278;
$custom-dark: #000000;

JSON

{
  "hex": "#81bf3b",
  "rgb": {
    "r": 129,
    "g": 191,
    "b": 59
  },
  "hsl": {
    "h": 88.182,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.73661,
    "c": 0.1735,
    "h": 131.3
  },
  "luminance": 0.42244
}

Semantic roles & 50–950 ramp

primary

#81BF3B

secondary

#A98CCA

accent

#4CDC90

background

#FAFCF7

surface

#F4F9EE

border

#CED2C9

text

#101409

muted

#7F827B

Preview Lab

Preview with #81BF3B

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

Preview Lab → · Contrast checker → · Palette generator →