#81D548#81D548

#81D548 is a light, vivid yellow-green. Relative luminance 0.527; OKLCH L 79.1% C 0.192 H 135.1°. Best body text is #000000 at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#81D548
RGB	rgb(129, 213, 72)
HSL	hsl(96, 63%, 56%)
HSV	hsv(96, 66%, 84%)
CMYK	cmyk(39.4%, 0%, 66.2%, 16.5%)
CIE-LAB	lab(77.71, -48.93, 59.40)
CIE-LCH	lch(77.71, 76.96, 129.48°)
OKLab	oklab(79.14% -0.1363 0.1359)
OKLCH	oklch(79.14% 0.192 135.1)
XYZ	xyz(34.0165, 52.7218, 14.5136)
Luminance	0.5272 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D548 #9C48D5

analogous

#C7D548 #81D548 #48D555

triadic

#81D548 #4881D5 #D54881

tetradic

#81D548 #48C7D5 #9C48D5 #D55548

square

#81D548 #48C7D5 #9C48D5 #D55548

split-complementary

#81D548 #5548D5 #D548C7

monochromatic

#48841E #62B62A #81D548 #A3E07A #C6ECAC

Accessibility & contrast

On white

1.82

#81D548 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.54

#81D548 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D548

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D548	#FFFFFF	#000000	##000000
##81D548	1.00	1.82	11.54	11.54
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.54	21.00	1.00	1.00
##000000	11.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC435

Deuteranopia (green-blind)

#D1BE54

Tritanopia (blue-blind)

#7FCDB8

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d548;
/* rgb */ color: rgb(129, 213, 72);
/* oklch */ color: oklch(79.1% 0.192 135.1);

Tailwind

colors: {
  custom: {
    50: '#abe282',
    500: '#81d548',
    950: '#000000',
  },
}

SCSS

$custom: #81d548;
$custom-light: #abe282;
$custom-dark: #000000;

JSON

{
  "hex": "#81d548",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 72
  },
  "hsl": {
    "h": 95.745,
    "s": 62.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.79137,
    "c": 0.19248,
    "h": 135.1
  },
  "luminance": 0.52724
}

Semantic roles & 50–950 ramp

primary

#81D548

secondary

#69368B

accent

#42E6A4

background

#FDFEFB

surface

#F7FCF2

border

#D0D5CC

text

#11150B

muted

#81847E

Preview Lab

Preview with #81D548

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

Preview Lab → · Contrast checker → · Palette generator →