#81C548#81C548

#81C548 is a light, vivid yellow-green. Relative luminance 0.451; OKLCH L 75.2% C 0.172 H 133.3°. Best body text is #000000 at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#81C548
RGB	rgb(129, 197, 72)
HSL	hsl(93, 52%, 53%)
HSV	hsv(93, 63%, 77%)
CMYK	cmyk(34.5%, 0%, 63.5%, 22.7%)
CIE-LAB	lab(72.94, -42.20, 54.26)
CIE-LCH	lch(72.94, 68.74, 127.87°)
OKLab	oklab(75.24% -0.1179 0.1251)
OKLCH	oklch(75.24% 0.172 133.3)
XYZ	xyz(30.1887, 45.0663, 13.2377)
Luminance	0.4507 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C548 #8C48C5

analogous

#BFC548 #81C548 #48C54D

triadic

#81C548 #4881C5 #C54881

tetradic

#81C548 #48BFC5 #8C48C5 #C54D48

square

#81C548 #48BFC5 #8C48C5 #C54D48

split-complementary

#81C548 #4D48C5 #C548BF

monochromatic

#466F23 #639E32 #81C548 #A1D476 #C1E2A5

Accessibility & contrast

On white

2.10

#81C548 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.01

#81C548 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C548

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C548	#FFFFFF	#000000	##000000
##81C548	1.00	2.10	10.01	10.01
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.01	21.00	1.00	1.00
##000000	10.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB639

Deuteranopia (green-blind)

#C3B152

Tritanopia (blue-blind)

#81BEAB

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #81c548;
/* rgb */ color: rgb(129, 197, 72);
/* oklch */ color: oklch(75.2% 0.172 133.3);

Tailwind

colors: {
  custom: {
    50: '#aad780',
    500: '#81c548',
    950: '#000000',
  },
}

SCSS

$custom: #81c548;
$custom-light: #aad780;
$custom-dark: #000000;

JSON

{
  "hex": "#81c548",
  "rgb": {
    "r": 129,
    "g": 197,
    "b": 72
  },
  "hsl": {
    "h": 92.64,
    "s": 51.867,
    "l": 52.745
  },
  "oklch": {
    "l": 0.75239,
    "c": 0.1719,
    "h": 133.3
  },
  "luminance": 0.45068
}

Semantic roles & 50–950 ramp

primary

#81C548

secondary

#B799CF

accent

#4CDB9A

background

#FAFDF8

surface

#F4FAEF

border

#CED3CA

text

#10140B

muted

#7F837C

Preview Lab

Preview with #81C548

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

Preview Lab → · Contrast checker → · Palette generator →