#81D554#81D554

#81D554 is a light, vivid yellow-green. Relative luminance 0.529; OKLCH L 79.3% C 0.184 H 136.2°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#81D554
RGB	rgb(129, 213, 84)
HSL	hsl(99, 61%, 58%)
HSV	hsv(99, 61%, 84%)
CMYK	cmyk(39.4%, 0%, 60.6%, 16.5%)
CIE-LAB	lab(77.81, -47.88, 54.52)
CIE-LCH	lch(77.81, 72.56, 131.29°)
OKLab	oklab(79.25% -0.1325 0.127)
OKLCH	oklch(79.25% 0.184 136.2)
XYZ	xyz(34.4468, 52.8939, 16.7803)
Luminance	0.5290 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D554 #A854D5

analogous

#C1D554 #81D554 #54D567

triadic

#81D554 #5481D5 #D55481

tetradic

#81D554 #54C1D5 #A854D5 #D56754

square

#81D554 #54C1D5 #A854D5 #D56754

split-complementary

#81D554 #6754D5 #D554C1

monochromatic

#478C22 #60BD2E #81D554 #A5E185 #C9EDB6

Accessibility & contrast

On white

1.81

#81D554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.58

#81D554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D554

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D554	#FFFFFF	#000000	##000000
##81D554	1.00	1.81	11.58	11.58
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.58	21.00	1.00	1.00
##000000	11.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC546

Deuteranopia (green-blind)

#D0BE5E

Tritanopia (blue-blind)

#7ECEB9

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d554;
/* rgb */ color: rgb(129, 213, 84);
/* oklch */ color: oklch(79.3% 0.184 136.2);

Tailwind

colors: {
  custom: {
    50: '#abe289',
    500: '#81d554',
    950: '#000000',
  },
}

SCSS

$custom: #81d554;
$custom-light: #abe289;
$custom-dark: #000000;

JSON

{
  "hex": "#81d554",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 84
  },
  "hsl": {
    "h": 99.07,
    "s": 60.563,
    "l": 58.235
  },
  "oklch": {
    "l": 0.79253,
    "c": 0.18353,
    "h": 136.2
  },
  "luminance": 0.52896
}

Semantic roles & 50–950 ramp

primary

#81D554

secondary

#743B92

accent

#44E4AC

background

#FDFEFC

surface

#F7FCF4

border

#D0D5CE

text

#10150C

muted

#81847F

Preview Lab

Preview with #81D554

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

Preview Lab → · Contrast checker → · Palette generator →