#81D855#81D855

#81D855 is a light, vivid yellow-green. Relative luminance 0.544; OKLCH L 80.0% C 0.187 H 136.6°. Best body text is #000000 at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#81D855
RGB	rgb(129, 216, 85)
HSL	hsl(100, 63%, 59%)
HSV	hsv(100, 61%, 85%)
CMYK	cmyk(40.3%, 0%, 60.6%, 15.3%)
CIE-LAB	lab(78.71, -49.02, 55.10)
CIE-LCH	lch(78.71, 73.75, 131.66°)
OKLab	oklab(79.99% -0.1356 0.1283)
OKLCH	oklch(79.99% 0.187 136.6)
XYZ	xyz(35.2478, 54.4328, 17.2419)
Luminance	0.5444 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D855 #AC55D8

analogous

#C3D855 #81D855 #55D86B

triadic

#81D855 #5581D8 #D85581

tetradic

#81D855 #55C3D8 #AC55D8 #D86B55

square

#81D855 #55C3D8 #AC55D8 #D86B55

split-complementary

#81D855 #6B55D8 #D855C3

monochromatic

#479121 #5FC32D #81D855 #A6E387 #CBEFB9

Accessibility & contrast

On white

1.77

#81D855 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.89

#81D855 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D855

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D855	#FFFFFF	#000000	##000000
##81D855	1.00	1.77	11.89	11.89
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.89	21.00	1.00	1.00
##000000	11.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC746

Deuteranopia (green-blind)

#D3C05F

Tritanopia (blue-blind)

#7DD1BC

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #81d855;
/* rgb */ color: rgb(129, 216, 85);
/* oklch */ color: oklch(80.0% 0.187 136.6);

Tailwind

colors: {
  custom: {
    50: '#abe48a',
    500: '#81d855',
    950: '#000000',
  },
}

SCSS

$custom: #81d855;
$custom-light: #abe48a;
$custom-dark: #000000;

JSON

{
  "hex": "#81d855",
  "rgb": {
    "r": 129,
    "g": 216,
    "b": 85
  },
  "hsl": {
    "h": 99.847,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.79993,
    "c": 0.18666,
    "h": 136.6
  },
  "luminance": 0.54435
}

Semantic roles & 50–950 ramp

primary

#81D855

secondary

#783B96

accent

#42E6AF

background

#FDFEFC

surface

#F7FCF4

border

#D0D5CE

text

#11160C

muted

#81847F

Preview Lab

Preview with #81D855

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

Preview Lab → · Contrast checker → · Palette generator →