#81BF4F#81BF4F

#81BF4F is a light, vivid yellow-green. Relative luminance 0.425; OKLCH L 73.9% C 0.158 H 133.3°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#81BF4F
RGB	rgb(129, 191, 79)
HSL	hsl(93, 47%, 53%)
HSV	hsv(93, 59%, 75%)
CMYK	cmyk(32.5%, 0%, 58.6%, 25.1%)
CIE-LAB	lab(71.21, -38.93, 49.26)
CIE-LCH	lch(71.21, 62.78, 128.32°)
OKLab	oklab(73.85% -0.1084 0.1152)
OKLCH	oklch(73.85% 0.158 133.3)
XYZ	xyz(29.0948, 42.4922, 14.0645)
Luminance	0.4249 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BF4F #8D4FBF

analogous

#B9BF4F #81BF4F #4FBF55

triadic

#81BF4F #4F81BF #BF4F81

tetradic

#81BF4F #4FB9BF #8D4FBF #BF554F

square

#81BF4F #4FB9BF #8D4FBF #BF554F

split-complementary

#81BF4F #554FBF #BF4FB9

monochromatic

#466C27 #639938 #81BF4F #A1CF7C #C1E0A9

Accessibility & contrast

On white

2.21

#81BF4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#81BF4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BF4F

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BF4F	#FFFFFF	#000000	##000000
##81BF4F	1.00	2.21	9.50	9.50
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.50	21.00	1.00	1.00
##000000	9.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B243

Deuteranopia (green-blind)

#BDAD57

Tritanopia (blue-blind)

#82B8A7

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81bf4f;
/* rgb */ color: rgb(129, 191, 79);
/* oklch */ color: oklch(73.9% 0.158 133.3);

Tailwind

colors: {
  custom: {
    50: '#a9d284',
    500: '#81bf4f',
    950: '#000000',
  },
}

SCSS

$custom: #81bf4f;
$custom-light: #a9d284;
$custom-dark: #000000;

JSON

{
  "hex": "#81bf4f",
  "rgb": {
    "r": 129,
    "g": 191,
    "b": 79
  },
  "hsl": {
    "h": 93.214,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.73854,
    "c": 0.15818,
    "h": 133.3
  },
  "luminance": 0.42493
}

Semantic roles & 50–950 ramp

primary

#81BF4F

secondary

#B79DCD

accent

#51D69B

background

#FAFCF8

surface

#F4F9EF

border

#CED2CA

text

#10140B

muted

#7F827C

Preview Lab

Preview with #81BF4F

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

Preview Lab → · Contrast checker → · Palette generator →