#81D550#81D550

#81D550 is a light, vivid yellow-green. Relative luminance 0.528; OKLCH L 79.2% C 0.187 H 135.8°. Best body text is #000000 at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#81D550
RGB	rgb(129, 213, 80)
HSL	hsl(98, 61%, 57%)
HSV	hsv(98, 62%, 84%)
CMYK	cmyk(39.4%, 0%, 62.4%, 16.5%)
CIE-LAB	lab(77.78, -48.25, 56.19)
CIE-LCH	lch(77.78, 74.06, 130.65°)
OKLab	oklab(79.21% -0.1338 0.1301)
OKLCH	oklch(79.21% 0.187 135.8)
XYZ	xyz(34.2946, 52.8330, 15.9786)
Luminance	0.5283 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D550 #A450D5

analogous

#C3D550 #81D550 #50D562

triadic

#81D550 #5081D5 #D55081

tetradic

#81D550 #50C3D5 #A450D5 #D56250

square

#81D550 #50C3D5 #A450D5 #D56250

split-complementary

#81D550 #6250D5 #D550C3

monochromatic

#488A21 #61BB2D #81D550 #A5E181 #C8EDB3

Accessibility & contrast

On white

1.82

#81D550 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.57

#81D550 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D550

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D550	#FFFFFF	#000000	##000000
##81D550	1.00	1.82	11.57	11.57
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.57	21.00	1.00	1.00
##000000	11.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC540

Deuteranopia (green-blind)

#D1BE5B

Tritanopia (blue-blind)

#7ECEB9

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d550;
/* rgb */ color: rgb(129, 213, 80);
/* oklch */ color: oklch(79.2% 0.187 135.8);

Tailwind

colors: {
  custom: {
    50: '#abe286',
    500: '#81d550',
    950: '#000000',
  },
}

SCSS

$custom: #81d550;
$custom-light: #abe286;
$custom-dark: #000000;

JSON

{
  "hex": "#81d550",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 80
  },
  "hsl": {
    "h": 97.895,
    "s": 61.29,
    "l": 57.451
  },
  "oklch": {
    "l": 0.79212,
    "c": 0.18664,
    "h": 135.8
  },
  "luminance": 0.52835
}

Semantic roles & 50–950 ramp

primary

#81D550

secondary

#703990

accent

#43E4A9

background

#FDFEFC

surface

#F7FCF3

border

#D0D5CD

text

#11150C

muted

#81847F

Preview Lab

Preview with #81D550

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

Preview Lab → · Contrast checker → · Palette generator →