#81EF49#81EF49

#81EF49 is a very light, highly saturated yellow-green. Relative luminance 0.669; OKLCH L 85.5% C 0.224 H 137.1°. Best body text is #000000 at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#81EF49
RGB	rgb(129, 239, 73)
HSL	hsl(100, 84%, 61%)
HSV	hsv(100, 69%, 94%)
CMYK	cmyk(46%, 0%, 69.5%, 6.3%)
CIE-LAB	lab(85.44, -59.09, 67.11)
CIE-LCH	lch(85.44, 89.42, 131.36°)
OKLab	oklab(85.48% -0.1637 0.1523)
OKLCH	oklch(85.48% 0.224 137.1)
XYZ	xyz(41.1211, 66.8785, 17.0441)
Luminance	0.6688 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81EF49 #B749EF

analogous

#D4EF49 #81EF49 #49EF64

triadic

#81EF49 #4981EF #EF4981

tetradic

#81EF49 #49D4EF #B749EF #EF6449

square

#81EF49 #49D4EF #B749EF #EF6449

split-complementary

#81EF49 #6449EF #EF49D4

monochromatic

#45AE0F #5BE714 #81EF49 #A8F481 #CFF9BA

Accessibility & contrast

On white

1.46

#81EF49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.38

#81EF49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81EF49

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81EF49	#FFFFFF	#000000	##000000
##81EF49	1.00	1.46	14.38	14.38
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.38	21.00	1.00	1.00
##000000	14.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DB2E

Deuteranopia (green-blind)

#E8D259

Tritanopia (blue-blind)

#7BE7CE

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #81ef49;
/* rgb */ color: rgb(129, 239, 73);
/* oklch */ color: oklch(85.5% 0.224 137.1);

Tailwind

colors: {
  custom: {
    50: '#aef585',
    500: '#81ef49',
    950: '#000000',
  },
}

SCSS

$custom: #81ef49;
$custom-light: #aef585;
$custom-dark: #000000;

JSON

{
  "hex": "#81ef49",
  "rgb": {
    "r": 129,
    "g": 239,
    "b": 73
  },
  "hsl": {
    "h": 99.759,
    "s": 83.838,
    "l": 61.176
  },
  "oklch": {
    "l": 0.85476,
    "c": 0.22359,
    "h": 137.1
  },
  "luminance": 0.66881
}

Semantic roles & 50–950 ramp

primary

#81EF49

secondary

#832DAF

accent

#05E096

background

#FDFFFC

surface

#F8FEF3

border

#D1D6CD

text

#11170C

muted

#81857F

Preview Lab

Preview with #81EF49

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

Preview Lab → · Contrast checker → · Palette generator →