#81BF4B#81BF4B

#81BF4B is a light, vivid yellow-green. Relative luminance 0.424; OKLCH L 73.8% C 0.162 H 132.8°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#81BF4B
RGB	rgb(129, 191, 75)
HSL	hsl(92, 48%, 52%)
HSV	hsv(92, 61%, 75%)
CMYK	cmyk(32.5%, 0%, 60.7%, 25.1%)
CIE-LAB	lab(71.17, -39.31, 51.01)
CIE-LCH	lch(71.17, 64.40, 127.62°)
OKLab	oklab(73.81% -0.1097 0.1185)
OKLCH	oklch(73.81% 0.162 132.8)
XYZ	xyz(28.9536, 42.4357, 13.3206)
Luminance	0.4244 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BF4B #894BBF

analogous

#BBBF4B #81BF4B #4BBF4F

triadic

#81BF4B #4B81BF #BF4B81

tetradic

#81BF4B #4BBBBF #894BBF #BF4F4B

square

#81BF4B #4BBBBF #894BBF #BF4F4B

split-complementary

#81BF4B #4F4BBF #BF4BBB

monochromatic

#456A26 #639736 #81BF4B #A1CF78 #C0DFA5

Accessibility & contrast

On white

2.21

#81BF4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.49

#81BF4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BF4B

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BF4B	#FFFFFF	#000000	##000000
##81BF4B	1.00	2.21	9.49	9.49
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.49	21.00	1.00	1.00
##000000	9.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B13E

Deuteranopia (green-blind)

#BEAC54

Tritanopia (blue-blind)

#82B8A6

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81bf4b;
/* rgb */ color: rgb(129, 191, 75);
/* oklch */ color: oklch(73.8% 0.162 132.8);

Tailwind

colors: {
  custom: {
    50: '#a9d282',
    500: '#81bf4b',
    950: '#000000',
  },
}

SCSS

$custom: #81bf4b;
$custom-light: #a9d282;
$custom-dark: #000000;

JSON

{
  "hex": "#81bf4b",
  "rgb": {
    "r": 129,
    "g": 191,
    "b": 75
  },
  "hsl": {
    "h": 92.069,
    "s": 47.541,
    "l": 52.157
  },
  "oklch": {
    "l": 0.7381,
    "c": 0.16153,
    "h": 132.8
  },
  "luminance": 0.42437
}

Semantic roles & 50–950 ramp

primary

#81BF4B

secondary

#B59ACC

accent

#51D799

background

#FAFCF8

surface

#F4F9EF

border

#CED2CA

text

#10140B

muted

#7F827C

Preview Lab

Preview with #81BF4B

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

Preview Lab → · Contrast checker → · Palette generator →