#81BC55#81BC55

#81BC55 is a light, vivid yellow-green. Relative luminance 0.413; OKLCH L 73.2% C 0.149 H 133.6°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#81BC55
RGB	rgb(129, 188, 85)
HSL	hsl(94, 43%, 54%)
HSV	hsv(94, 55%, 74%)
CMYK	cmyk(31.4%, 0%, 54.8%, 26.3%)
CIE-LAB	lab(70.38, -36.97, 45.52)
CIE-LCH	lch(70.38, 58.64, 129.08°)
OKLab	oklab(73.2% -0.1025 0.1077)
OKLCH	oklch(73.2% 0.149 133.6)
XYZ	xyz(28.6756, 41.2884, 15.0512)
Luminance	0.4129 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BC55 #9055BC

analogous

#B4BC55 #81BC55 #55BC5C

triadic

#81BC55 #5581BC #BC5581

tetradic

#81BC55 #55B4BC #9055BC #BC5C55

square

#81BC55 #55B4BC #9055BC #BC5C55

split-complementary

#81BC55 #5C55BC #BC55B4

monochromatic

#476C2B #63983C #81BC55 #A2CD81 #C2DFAD

Accessibility & contrast

On white

2.27

#81BC55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.26

#81BC55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BC55

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BC55	#FFFFFF	#000000	##000000
##81BC55	1.00	2.27	9.26	9.26
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.26	21.00	1.00	1.00
##000000	9.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AF4B

Deuteranopia (green-blind)

#BAAA5C

Tritanopia (blue-blind)

#81B5A5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #81bc55;
/* rgb */ color: rgb(129, 188, 85);
/* oklch */ color: oklch(73.2% 0.149 133.6);

Tailwind

colors: {
  custom: {
    50: '#a9d088',
    500: '#81bc55',
    950: '#000000',
  },
}

SCSS

$custom: #81bc55;
$custom-light: #a9d088;
$custom-dark: #000000;

JSON

{
  "hex": "#81bc55",
  "rgb": {
    "r": 129,
    "g": 188,
    "b": 85
  },
  "hsl": {
    "h": 94.369,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.73199,
    "c": 0.14869,
    "h": 133.6
  },
  "luminance": 0.41289
}

Semantic roles & 50–950 ramp

primary

#81BC55

secondary

#BAA0CC

accent

#55D39D

background

#FAFCF8

surface

#F4F9F0

border

#CED2CB

text

#10140B

muted

#7F827C

Preview Lab

Preview with #81BC55

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

Preview Lab → · Contrast checker → · Palette generator →