#81BF45#81BF45

#81BF45 is a light, vivid yellow-green. Relative luminance 0.424; OKLCH L 73.7% C 0.166 H 132.2°. Best body text is #000000 at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#81BF45
RGB	rgb(129, 191, 69)
HSL	hsl(90, 49%, 51%)
HSV	hsv(90, 64%, 75%)
CMYK	cmyk(32.5%, 0%, 63.9%, 25.1%)
CIE-LAB	lab(71.12, -39.84, 53.55)
CIE-LCH	lch(71.12, 66.74, 126.65°)
OKLab	oklab(73.75% -0.1117 0.1232)
OKLCH	oklch(73.75% 0.166 132.2)
XYZ	xyz(28.7579, 42.3574, 12.2897)
Luminance	0.4236 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BF45 #8345BF

analogous

#BEBF45 #81BF45 #45BF46

triadic

#81BF45 #4581BF #BF4581

tetradic

#81BF45 #45BEBF #8345BF #BF4645

square

#81BF45 #45BEBF #8345BF #BF4645

split-complementary

#81BF45 #4645BF #BF45BE

monochromatic

#446623 #639433 #81BF45 #A0CF73 #BFDEA0

Accessibility & contrast

On white

2.22

#81BF45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.47

#81BF45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BF45

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BF45	#FFFFFF	#000000	##000000
##81BF45	1.00	2.22	9.47	9.47
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.47	21.00	1.00	1.00
##000000	9.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B136

Deuteranopia (green-blind)

#BEAC4F

Tritanopia (blue-blind)

#82B8A6

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81bf45;
/* rgb */ color: rgb(129, 191, 69);
/* oklch */ color: oklch(73.7% 0.166 132.2);

Tailwind

colors: {
  custom: {
    50: '#a9d27e',
    500: '#81bf45',
    950: '#000000',
  },
}

SCSS

$custom: #81bf45;
$custom-light: #a9d27e;
$custom-dark: #000000;

JSON

{
  "hex": "#81bf45",
  "rgb": {
    "r": 129,
    "g": 191,
    "b": 69
  },
  "hsl": {
    "h": 90.492,
    "s": 48.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.73749,
    "c": 0.1663,
    "h": 132.2
  },
  "luminance": 0.42358
}

Semantic roles & 50–950 ramp

primary

#81BF45

secondary

#B095CB

accent

#4FD895

background

#FAFCF7

surface

#F4F9EE

border

#CED2C9

text

#10140A

muted

#7F827C

Preview Lab

Preview with #81BF45

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

Preview Lab → · Contrast checker → · Palette generator →