#181D01#181D01

#181D01 is a very dark, muted yellow-green. Relative luminance 0.011; OKLCH L 21.8% C 0.049 H 118.6°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX#181D01
RGBrgb(24, 29, 1)
HSLhsl(71, 93%, 6%)
HSVhsv(71, 97%, 11%)
CMYKcmyk(17.2%, 0%, 96.6%, 88.6%)
CIE-LABlab(9.60, -7.73, 13.80)
CIE-LCHlch(9.60, 15.82, 119.27°)
OKLaboklab(21.81% -0.0234 0.043)
OKLCHoklch(21.81% 0.049 118.6)
XYZxyz(0.8216, 1.0751, 0.1929)
Luminance0.0107 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#181D01 #06011D
analogous
#1D1401 #181D01 #0A1D01
triadic
#181D01 #01181D #1D0118
tetradic
#181D01 #011D14 #06011D #1D010A
square
#181D01 #011D14 #06011D #1D010A
split-complementary
#181D01 #010A1D #14011D
monochromatic
#181E01 #181E01 #181E01 #495803 #7A9305

Accessibility & contrast

On white

17.28
#181D01 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.21
#181D01 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181D01
17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##181D01#FFFFFF#000000##FFFFFF
##181D011.0017.281.2117.28
#FFFFFF17.281.0021.001.00
#0000001.2121.001.0021.00
##FFFFFF17.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#201B00
Deuteranopia (green-blind)
#1F1B02
Tritanopia (blue-blind)
#1A1B17
Achromatopsia (no color)
#1B1B1B

Design tokens & code

CSS
--color: #181d01;
/* rgb */ color: rgb(24, 29, 1);
/* oklch */ color: oklch(21.8% 0.049 118.6);
Tailwind
colors: {
  custom: {
    50: '#545847',
    500: '#181d01',
    950: '#000000',
  },
}
SCSS
$custom: #181d01;
$custom-light: #545847;
$custom-dark: #000000;
JSON
{
  "hex": "#181d01",
  "rgb": {
    "r": 24,
    "g": 29,
    "b": 1
  },
  "hsl": {
    "h": 70.714,
    "s": 93.333,
    "l": 5.882
  },
  "oklch": {
    "l": 0.21807,
    "c": 0.049,
    "h": 118.6
  },
  "luminance": 0.01075
}

Semantic roles & 50–950 ramp

primary
#181D01
secondary
#231565
accent
#29FF4F
background
#F4F5F3
surface
#E7E9E5
border
#C3C5C1
text
#020300
muted
#787877

Preview Lab

Preview with #181D01

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

Preview Lab → · Contrast checker → · Palette generator →

#181D01 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva