#183B18#183B18

#183B18 is a dark, moderate green. Relative luminance 0.034; OKLCH L 31.6% C 0.072 H 143.6°. Best body text is #FFFFFF at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#183B18
RGB	rgb(24, 59, 24)
HSL	hsl(120, 42%, 16%)
HSV	hsv(120, 59%, 23%)
CMYK	cmyk(59.3%, 0%, 59.3%, 76.9%)
CIE-LAB	lab(21.53, -21.37, 17.78)
CIE-LCH	lch(21.53, 27.80, 140.23°)
OKLab	oklab(31.63% -0.0581 0.0428)
OKLCH	oklch(31.63% 0.072 143.6)
XYZ	xyz(2.1054, 3.3879, 1.4070)
Luminance	0.0339 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B18 #3B183B

analogous

#2A3B18 #183B18 #183B2A

triadic

#183B18 #18183B #3B1818

tetradic

#183B18 #182A3B #3B183B #3B2A18

square

#183B18 #182A3B #3B183B #3B2A18

split-complementary

#183B18 #2A183B #3B182A

monochromatic

#091609 #091609 #183B18 #2A672A #3B923B

Accessibility & contrast

On white

12.52

#183B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#183B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B18

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B18	#FFFFFF	#000000	##FFFFFF
##183B18	1.00	12.52	1.68	12.52
#FFFFFF	12.52	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3615

Deuteranopia (green-blind)

#38321A

Tritanopia (blue-blind)

#133933

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183b18;
/* rgb */ color: rgb(24, 59, 24);
/* oklch */ color: oklch(31.6% 0.072 143.6);

Tailwind

colors: {
  custom: {
    50: '#587155',
    500: '#183b18',
    950: '#000000',
  },
}

SCSS

$custom: #183b18;
$custom-light: #587155;
$custom-dark: #000000;

JSON

{
  "hex": "#183b18",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 24
  },
  "hsl": {
    "h": 120,
    "s": 42.169,
    "l": 16.275
  },
  "oklch": {
    "l": 0.31633,
    "c": 0.07215,
    "h": 143.6
  },
  "luminance": 0.03388
}

Semantic roles & 50–950 ramp

primary

#183B18

secondary

#713E71

accent

#56D2D2

background

#F5F6F5

surface

#E9ECE9

border

#C5C7C5

text

#030703

muted

#787A78

Preview Lab

Preview with #183B18

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

Preview Lab → · Contrast checker → · Palette generator →