#81E545#81E545

#81E545 is a very light, highly saturated yellow-green. Relative luminance 0.611; OKLCH L 83.0% C 0.214 H 136.1°. Best body text is #000000 at 13.23:1 contrast (WCAG AA passes).

Color values

HEX#81E545
RGBrgb(129, 229, 69)
HSLhsl(98, 75%, 58%)
HSVhsv(98, 70%, 90%)
CMYKcmyk(43.7%, 0%, 69.9%, 10.2%)
CIE-LABlab(82.45, -55.54, 65.50)
CIE-LCHlch(82.45, 85.88, 130.30°)
OKLaboklab(83.01% -0.1544 0.1484)
OKLCHoklch(83.01% 0.214 136.1)
XYZxyz(38.1457, 61.1331, 15.4190)
Luminance0.6113 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81E545 #A945E5
analogous
#D1E545 #81E545 #45E559
triadic
#81E545 #4581E5 #E54581
tetradic
#81E545 #45D1E5 #A945E5 #E55945
square
#81E545 #45D1E5 #A945E5 #E55945
split-complementary
#81E545 #5945E5 #E545D1
monochromatic
#479A16 #60D01D #81E545 #A5ED7B #CAF4B0

Accessibility & contrast

On white

1.59
#81E545 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.23
#81E545 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81E545
13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81E545#FFFFFF#000000##000000
##81E5451.001.5913.2313.23
#FFFFFF1.591.0021.0021.00
#00000013.2321.001.001.00
##00000013.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#EDD22B
Deuteranopia (green-blind)
#DFCA54
Tritanopia (blue-blind)
#7DDDC5
Achromatopsia (no color)
#CDCDCD

Design tokens & code

CSS
--color: #81e545;
/* rgb */ color: rgb(129, 229, 69);
/* oklch */ color: oklch(83.0% 0.214 136.1);
Tailwind
colors: {
  custom: {
    50: '#adee81',
    500: '#81e545',
    950: '#000000',
  },
}
SCSS
$custom: #81e545;
$custom-light: #adee81;
$custom-dark: #000000;
JSON
{
  "hex": "#81e545",
  "rgb": {
    "r": 129,
    "g": 229,
    "b": 69
  },
  "hsl": {
    "h": 97.5,
    "s": 75.472,
    "l": 58.431
  },
  "oklch": {
    "l": 0.83012,
    "c": 0.21413,
    "h": 136.1
  },
  "luminance": 0.61135
}

Semantic roles & 50–950 ramp

primary
#81E545
secondary
#75319E
accent
#36F2AB
background
#FDFFFB
surface
#F8FEF2
border
#D1D6CC
text
#11160B
muted
#81857E

Preview Lab

Preview with #81E545

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

Preview Lab → · Contrast checker → · Palette generator →

#81E545 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva