#183C18#183C18

#183C18 is a dark, moderate green. Relative luminance 0.035; OKLCH L 31.9% C 0.074 H 143.6°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#183C18
RGB	rgb(24, 60, 24)
HSL	hsl(120, 43%, 16%)
HSV	hsv(120, 60%, 24%)
CMYK	cmyk(60%, 0%, 60%, 76.5%)
CIE-LAB	lab(21.91, -21.86, 18.25)
CIE-LCH	lch(21.91, 28.47, 140.15°)
OKLab	oklab(31.95% -0.0594 0.0438)
OKLCH	oklch(31.95% 0.074 143.6)
XYZ	xyz(2.1573, 3.4917, 1.4243)
Luminance	0.0349 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C18 #3C183C

analogous

#2A3C18 #183C18 #183C2A

triadic

#183C18 #18183C #3C1818

tetradic

#183C18 #182A3C #3C183C #3C2A18

square

#183C18 #182A3C #3C183C #3C2A18

split-complementary

#183C18 #2A183C #3C182A

monochromatic

#091609 #091609 #183C18 #296829 #3B933B

Accessibility & contrast

On white

12.36

#183C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#183C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C18

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C18	#FFFFFF	#000000	##FFFFFF
##183C18	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3615

Deuteranopia (green-blind)

#38331B

Tritanopia (blue-blind)

#133A34

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183c18;
/* rgb */ color: rgb(24, 60, 24);
/* oklch */ color: oklch(31.9% 0.074 143.6);

Tailwind

colors: {
  custom: {
    50: '#597256',
    500: '#183c18',
    950: '#000000',
  },
}

SCSS

$custom: #183c18;
$custom-light: #597256;
$custom-dark: #000000;

JSON

{
  "hex": "#183c18",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 24
  },
  "hsl": {
    "h": 120,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.31945,
    "c": 0.07383,
    "h": 143.6
  },
  "luminance": 0.03492
}

Semantic roles & 50–950 ramp

primary

#183C18

secondary

#723E72

accent

#55D3D3

background

#F5F6F5

surface

#E9ECE9

border

#C5C7C5

text

#040803

muted

#797B78

Preview Lab

Preview with #183C18

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

Preview Lab → · Contrast checker → · Palette generator →