#81901B#81901B

#81901B is a light, vivid yellow. Relative luminance 0.247; OKLCH L 62.0% C 0.134 H 117.1°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX#81901B
RGBrgb(129, 144, 27)
HSLhsl(68, 68%, 34%)
HSVhsv(68, 81%, 56%)
CMYKcmyk(10.4%, 0%, 81.3%, 43.5%)
CIE-LABlab(56.78, -20.18, 54.87)
CIE-LCHlch(56.78, 58.46, 110.20°)
OKLaboklab(62.05% -0.0613 0.1196)
OKLCHoklch(62.05% 0.134 117.1)
XYZxyz(19.2249, 24.6930, 4.7902)
Luminance0.2469 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81901B #2A1B90
analogous
#90641B #81901B #46901B
triadic
#81901B #1B8190 #901B81
tetradic
#81901B #1B9064 #2A1B90 #901B46
square
#81901B #1B9064 #2A1B90 #901B46
split-complementary
#81901B #1B4690 #641B90
monochromatic
#252908 #535C11 #81901B #AFC425 #CADD49

Accessibility & contrast

On white

3.54
#81901B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.94
#81901B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #81901B
5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81901B#FFFFFF#000000##000000
##81901B1.003.545.945.94
#FFFFFF3.541.0021.0021.00
#0000005.9421.001.001.00
##0000005.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9A8800
Deuteranopia (green-blind)
#998927
Tritanopia (blue-blind)
#8A877B
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #81901b;
/* rgb */ color: rgb(129, 144, 27);
/* oklch */ color: oklch(62.0% 0.134 117.1);
Tailwind
colors: {
  custom: {
    50: '#a9b063',
    500: '#81901b',
    950: '#000000',
  },
}
SCSS
$custom: #81901b;
$custom-light: #a9b063;
$custom-dark: #000000;
JSON
{
  "hex": "#81901b",
  "rgb": {
    "r": 129,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 67.692,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.62048,
    "c": 0.13435,
    "h": 117.1
  },
  "luminance": 0.24693
}

Semantic roles & 50–950 ramp

primary
#81901B
secondary
#5748BF
accent
#3DEB53
background
#FAFAF6
surface
#F4F4EB
border
#CECEC6
text
#101006
muted
#7F7F7A

Preview Lab

Preview with #81901B

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

Preview Lab → · Contrast checker → · Palette generator →

#81901B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva