#81D545#81D545

#81D545 is a light, vivid yellow-green. Relative luminance 0.527; OKLCH L 79.1% C 0.195 H 134.8°. Best body text is #000000 at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#81D545
RGB	rgb(129, 213, 69)
HSL	hsl(95, 63%, 55%)
HSV	hsv(95, 68%, 84%)
CMYK	cmyk(39.4%, 0%, 67.6%, 16.5%)
CIE-LAB	lab(77.69, -49.17, 60.56)
CIE-LCH	lch(77.69, 78.00, 129.07°)
OKLab	oklab(79.11% -0.1371 0.138)
OKLCH	oklch(79.11% 0.195 134.8)
XYZ	xyz(33.9210, 52.6836, 14.0107)
Luminance	0.5269 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D545 #9945D5

analogous

#C9D545 #81D545 #45D551

triadic

#81D545 #4581D5 #D54581

tetradic

#81D545 #45C9D5 #9945D5 #D55145

square

#81D545 #45C9D5 #9945D5 #D55145

split-complementary

#81D545 #5145D5 #D545C9

monochromatic

#47821D #63B429 #81D545 #A3E077 #C5ECA9

Accessibility & contrast

On white

1.82

#81D545 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.54

#81D545 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D545

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D545	#FFFFFF	#000000	##000000
##81D545	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)

#DDC430

Deuteranopia (green-blind)

#D1BD52

Tritanopia (blue-blind)

#7FCDB8

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d545;
/* rgb */ color: rgb(129, 213, 69);
/* oklch */ color: oklch(79.1% 0.195 134.8);

Tailwind

colors: {
  custom: {
    50: '#abe280',
    500: '#81d545',
    950: '#000000',
  },
}

SCSS

$custom: #81d545;
$custom-light: #abe280;
$custom-dark: #000000;

JSON

{
  "hex": "#81d545",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 69
  },
  "hsl": {
    "h": 95,
    "s": 63.158,
    "l": 55.294
  },
  "oklch": {
    "l": 0.79112,
    "c": 0.19454,
    "h": 134.8
  },
  "luminance": 0.52685
}

Semantic roles & 50–950 ramp

primary

#81D545

secondary

#663589

accent

#42E6A2

background

#FDFEFB

surface

#F7FCF2

border

#D0D5CC

text

#11150B

muted

#81847E

Preview Lab

Preview with #81D545

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

Preview Lab → · Contrast checker → · Palette generator →