#81E449#81E449

#81E449 is a very light, highly saturated yellow-green. Relative luminance 0.606; OKLCH L 82.8% C 0.210 H 136.4°. Best body text is #000000 at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#81E449
RGB	rgb(129, 228, 73)
HSL	hsl(98, 74%, 59%)
HSV	hsv(98, 68%, 89%)
CMYK	cmyk(43.4%, 0%, 68%, 10.6%)
CIE-LAB	lab(82.18, -54.86, 63.73)
CIE-LCH	lch(82.18, 84.09, 130.72°)
OKLab	oklab(82.8% -0.1523 0.1452)
OKLCH	oklch(82.8% 0.21 136.4)
XYZ	xyz(37.9982, 60.6327, 16.0031)
Luminance	0.6063 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81E449 #AC49E4

analogous

#CEE449 #81E449 #49E45F

triadic

#81E449 #4981E4 #E44981

tetradic

#81E449 #49CEE4 #AC49E4 #E45F49

square

#81E449 #49CEE4 #AC49E4 #E45F49

split-complementary

#81E449 #5F49E4 #E449CE

monochromatic

#479C17 #5FD11F #81E449 #A6EC7E #CBF4B4

Accessibility & contrast

On white

1.60

#81E449 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.13

#81E449 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81E449

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81E449	#FFFFFF	#000000	##000000
##81E449	1.00	1.60	13.13	13.13
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.13	21.00	1.00	1.00
##000000	13.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD232

Deuteranopia (green-blind)

#DEC957

Tritanopia (blue-blind)

#7DDCC5

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #81e449;
/* rgb */ color: rgb(129, 228, 73);
/* oklch */ color: oklch(82.8% 0.210 136.4);

Tailwind

colors: {
  custom: {
    50: '#aded84',
    500: '#81e449',
    950: '#000000',
  },
}

SCSS

$custom: #81e449;
$custom-light: #aded84;
$custom-dark: #000000;

JSON

{
  "hex": "#81e449",
  "rgb": {
    "r": 129,
    "g": 228,
    "b": 73
  },
  "hsl": {
    "h": 98.323,
    "s": 74.163,
    "l": 59.02
  },
  "oklch": {
    "l": 0.828,
    "c": 0.21039,
    "h": 136.4
  },
  "luminance": 0.60635
}

Semantic roles & 50–950 ramp

primary

#81E449

secondary

#78329F

accent

#37F1AE

background

#FDFFFB

surface

#F8FEF2

border

#D1D6CC

text

#11160B

muted

#81857E

Preview Lab

Preview with #81E449

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

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