#183E0B#183E0B

#183E0B is a dark, moderate green. Relative luminance 0.037; OKLCH L 32.4% C 0.089 H 139.0°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX#183E0B
RGBrgb(24, 62, 11)
HSLhsl(105, 70%, 14%)
HSVhsv(105, 82%, 24%)
CMYKcmyk(61.3%, 0%, 82.3%, 75.7%)
CIE-LABlab(22.53, -24.44, 25.82)
CIE-LCHlch(22.53, 35.56, 133.43°)
OKLaboklab(32.4% -0.0673 0.0585)
OKLCHoklch(32.4% 0.089 139)
XYZxyz(2.1596, 3.6634, 0.9099)
Luminance0.0366 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183E0B #310B3E
analogous
#323E0B #183E0B #0B3E18
triadic
#183E0B #0B183E #3E0B18
tetradic
#183E0B #0B323E #310B3E #3E180B
square
#183E0B #0B323E #310B3E #3E180B
split-complementary
#183E0B #180B3E #3E0B32
monochromatic
#0A1A05 #0A1A05 #183E0B #2C7214 #40A61D

Accessibility & contrast

On white

12.12
#183E0B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.73
#183E0B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E0B
12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183E0B#FFFFFF#000000##FFFFFF
##183E0B1.0012.121.7312.12
#FFFFFF12.121.0021.001.00
#0000001.7321.001.0021.00
##FFFFFF12.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#403804
Deuteranopia (green-blind)
#3B3510
Tritanopia (blue-blind)
#143C34
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #183e0b;
/* rgb */ color: rgb(24, 62, 11);
/* oklch */ color: oklch(32.4% 0.089 139.0);
Tailwind
colors: {
  custom: {
    50: '#5a744e',
    500: '#183e0b',
    950: '#000000',
  },
}
SCSS
$custom: #183e0b;
$custom-light: #5a744e;
$custom-dark: #000000;
JSON
{
  "hex": "#183e0b",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 11
  },
  "hsl": {
    "h": 104.706,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.324,
    "c": 0.08917,
    "h": 139
  },
  "luminance": 0.03664
}

Semantic roles & 50–950 ramp

primary
#183E0B
secondary
#662A7B
accent
#3BEDBF
background
#F5F7F4
surface
#E9EDE7
border
#C5C8C3
text
#040801
muted
#797B77

Preview Lab

Preview with #183E0B

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

Preview Lab → · Contrast checker → · Palette generator →

#183E0B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva