#81CD38#81CD38

#81CD38 is a light, vivid yellow-green. Relative luminance 0.486; OKLCH L 77.1% C 0.193 H 133.0°. Best body text is #000000 at 10.72:1 contrast (WCAG AA passes).

Color values

HEX#81CD38
RGBrgb(129, 205, 56)
HSLhsl(91, 60%, 51%)
HSVhsv(91, 73%, 80%)
CMYKcmyk(37.1%, 0%, 72.7%, 19.6%)
CIE-LABlab(75.21, -46.78, 62.83)
CIE-LCHlch(75.21, 78.33, 126.67°)
OKLaboklab(77.06% -0.1316 0.141)
OKLCHoklch(77.06% 0.193 133)
XYZxyz(31.5979, 48.6139, 11.4591)
Luminance0.4862 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81CD38 #8438CD
analogous
#CBCD38 #81CD38 #38CD39
triadic
#81CD38 #3881CD #CD3881
tetradic
#81CD38 #38CBCD #8438CD #CD3938
square
#81CD38 #38CBCD #8438CD #CD3938
split-complementary
#81CD38 #3938CD #CD38CB
monochromatic
#446F1C #63A028 #81CD38 #A0D969 #BFE69A

Accessibility & contrast

On white

1.96
#81CD38 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.72
#81CD38 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CD38
10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81CD38#FFFFFF#000000##000000
##81CD381.001.9610.7210.72
#FFFFFF1.961.0021.0021.00
#00000010.7221.001.001.00
##00000010.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#D5BD1C
Deuteranopia (green-blind)
#CBB746
Tritanopia (blue-blind)
#82C5B0
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #81cd38;
/* rgb */ color: rgb(129, 205, 56);
/* oklch */ color: oklch(77.1% 0.193 133.0);
Tailwind
colors: {
  custom: {
    50: '#abdd78',
    500: '#81cd38',
    950: '#000000',
  },
}
SCSS
$custom: #81cd38;
$custom-light: #abdd78;
$custom-dark: #000000;
JSON
{
  "hex": "#81cd38",
  "rgb": {
    "r": 129,
    "g": 205,
    "b": 56
  },
  "hsl": {
    "h": 90.604,
    "s": 59.839,
    "l": 51.176
  },
  "oklch": {
    "l": 0.77058,
    "c": 0.19285,
    "h": 133
  },
  "luminance": 0.48615
}

Semantic roles & 50–950 ramp

primary
#81CD38
secondary
#B18FD1
accent
#45E395
background
#FBFDF7
surface
#F6FBEE
border
#D0D4C9
text
#11150A
muted
#80837C

Preview Lab

Preview with #81CD38

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

Preview Lab → · Contrast checker → · Palette generator →

#81CD38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva