#81D455#81D455

#81D455 is a light, vivid yellow-green. Relative luminance 0.524; OKLCH L 79.0% C 0.181 H 136.3°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#81D455
RGB	rgb(129, 212, 85)
HSL	hsl(99, 60%, 58%)
HSV	hsv(99, 60%, 83%)
CMYK	cmyk(39.2%, 0%, 59.9%, 16.9%)
CIE-LAB	lab(77.52, -47.37, 53.76)
CIE-LCH	lch(77.52, 71.65, 131.39°)
OKLab	oklab(79.02% -0.1311 0.1254)
OKLCH	oklch(79.02% 0.181 136.3)
XYZ	xyz(34.2355, 52.4082, 16.9045)
Luminance	0.5241 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D455 #A855D4

analogous

#C0D455 #81D455 #55D469

triadic

#81D455 #5581D4 #D45581

tetradic

#81D455 #55C0D4 #A855D4 #D46955

square

#81D455 #55C0D4 #A855D4 #D46955

split-complementary

#81D455 #6955D4 #D455C0

monochromatic

#478B23 #60BC30 #81D455 #A5E086 #C9EDB7

Accessibility & contrast

On white

1.83

#81D455 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#81D455 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D455

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D455	#FFFFFF	#000000	##000000
##81D455	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC447

Deuteranopia (green-blind)

#CFBD5F

Tritanopia (blue-blind)

#7ECDB9

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d455;
/* rgb */ color: rgb(129, 212, 85);
/* oklch */ color: oklch(79.0% 0.181 136.3);

Tailwind

colors: {
  custom: {
    50: '#abe289',
    500: '#81d455',
    950: '#000000',
  },
}

SCSS

$custom: #81d455;
$custom-light: #abe289;
$custom-dark: #000000;

JSON

{
  "hex": "#81d455",
  "rgb": {
    "r": 129,
    "g": 212,
    "b": 85
  },
  "hsl": {
    "h": 99.213,
    "s": 59.624,
    "l": 58.235
  },
  "oklch": {
    "l": 0.79021,
    "c": 0.18141,
    "h": 136.3
  },
  "luminance": 0.5241
}

Semantic roles & 50–950 ramp

primary

#81D455

secondary

#743C91

accent

#45E3AC

background

#FDFEFC

surface

#F7FCF4

border

#D0D5CE

text

#10150C

muted

#81847F

Preview Lab

Preview with #81D455

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

Preview Lab → · Contrast checker → · Palette generator →