#183D18#183D18

#183D18 is a dark, moderate green. Relative luminance 0.036; OKLCH L 32.3% C 0.075 H 143.6°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX#183D18
RGBrgb(24, 61, 24)
HSLhsl(120, 44%, 17%)
HSVhsv(120, 61%, 24%)
CMYKcmyk(60.7%, 0%, 60.7%, 76.1%)
CIE-LABlab(22.29, -22.34, 18.71)
CIE-LCHlch(22.29, 29.14, 140.06°)
OKLaboklab(32.26% -0.0607 0.0448)
OKLCHoklch(32.26% 0.075 143.6)
XYZxyz(2.2102, 3.5974, 1.4419)
Luminance0.0360 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183D18 #3D183D
analogous
#2B3D18 #183D18 #183D2B
triadic
#183D18 #18183D #3D1818
tetradic
#183D18 #182B3D #3D183D #3D2B18
square
#183D18 #182B3D #3D183D #3D2B18
split-complementary
#183D18 #2B183D #3D182B
monochromatic
#091609 #091609 #183D18 #296929 #3B953B

Accessibility & contrast

On white

12.21
#183D18 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.72
#183D18 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183D18
12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183D18#FFFFFF#000000##FFFFFF
##183D181.0012.211.7212.21
#FFFFFF12.211.0021.001.00
#0000001.7221.001.0021.00
##FFFFFF12.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E3715
Deuteranopia (green-blind)
#39341B
Tritanopia (blue-blind)
#123B35
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #183d18;
/* rgb */ color: rgb(24, 61, 24);
/* oklch */ color: oklch(32.3% 0.075 143.6);
Tailwind
colors: {
  custom: {
    50: '#597356',
    500: '#183d18',
    950: '#000000',
  },
}
SCSS
$custom: #183d18;
$custom-light: #597356;
$custom-dark: #000000;
JSON
{
  "hex": "#183d18",
  "rgb": {
    "r": 24,
    "g": 61,
    "b": 24
  },
  "hsl": {
    "h": 120,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.32256,
    "c": 0.07549,
    "h": 143.6
  },
  "luminance": 0.03598
}

Semantic roles & 50–950 ramp

primary
#183D18
secondary
#733D73
accent
#55D3D3
background
#F5F7F5
surface
#E9EDE9
border
#C5C8C5
text
#040803
muted
#797B78

Preview Lab

Preview with #183D18

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

Preview Lab → · Contrast checker → · Palette generator →

#183D18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva