#183A18#183A18

#183A18 is a dark, moderate green. Relative luminance 0.033; OKLCH L 31.3% C 0.070 H 143.7°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX#183A18
RGBrgb(24, 58, 24)
HSLhsl(120, 41%, 16%)
HSVhsv(120, 59%, 23%)
CMYKcmyk(58.6%, 0%, 58.6%, 77.3%)
CIE-LABlab(21.16, -20.87, 17.32)
CIE-LCHlch(21.16, 27.12, 140.31°)
OKLaboklab(31.32% -0.0567 0.0417)
OKLCHoklch(31.32% 0.07 143.7)
XYZxyz(2.0545, 3.2861, 1.3900)
Luminance0.0329 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183A18 #3A183A
analogous
#293A18 #183A18 #183A29
triadic
#183A18 #18183A #3A1818
tetradic
#183A18 #18293A #3A183A #3A2918
square
#183A18 #18293A #3A183A #3A2918
split-complementary
#183A18 #29183A #3A1829
monochromatic
#091609 #091609 #183A18 #2A652A #3C913C

Accessibility & contrast

On white

12.67
#183A18 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.66
#183A18 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A18
12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183A18#FFFFFF#000000##FFFFFF
##183A181.0012.671.6612.67
#FFFFFF12.671.0021.001.00
#0000001.6621.001.0021.00
##FFFFFF12.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B3515
Deuteranopia (green-blind)
#37321A
Tritanopia (blue-blind)
#133832
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #183a18;
/* rgb */ color: rgb(24, 58, 24);
/* oklch */ color: oklch(31.3% 0.070 143.7);
Tailwind
colors: {
  custom: {
    50: '#587055',
    500: '#183a18',
    950: '#000000',
  },
}
SCSS
$custom: #183a18;
$custom-light: #587055;
$custom-dark: #000000;
JSON
{
  "hex": "#183a18",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 24
  },
  "hsl": {
    "h": 120,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31322,
    "c": 0.07045,
    "h": 143.7
  },
  "luminance": 0.03286
}

Semantic roles & 50–950 ramp

primary
#183A18
secondary
#703E70
accent
#57D1D1
background
#F5F6F5
surface
#E9ECE9
border
#C5C7C5
text
#030703
muted
#787A78

Preview Lab

Preview with #183A18

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

Preview Lab → · Contrast checker → · Palette generator →

#183A18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva