#183C1D#183C1D

#183C1D is a dark, moderate green. Relative luminance 0.035; OKLCH L 32.0% C 0.068 H 146.6°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#183C1D
RGB	rgb(24, 60, 29)
HSL	hsl(128, 43%, 16%)
HSV	hsv(128, 60%, 24%)
CMYK	cmyk(60%, 0%, 51.7%, 76.5%)
CIE-LAB	lab(22.00, -20.98, 15.29)
CIE-LCH	lch(22.00, 25.96, 143.91°)
OKLab	oklab(32.04% -0.0569 0.0375)
OKLCH	oklch(32.04% 0.068 146.6)
XYZ	xyz(2.2142, 3.5144, 1.7238)
Luminance	0.0352 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 6.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C1D #3C1837

analogous

#253C18 #183C1D #183C2F

triadic

#183C1D #1D183C #3C1D18

tetradic

#183C1D #18253C #3C1837 #3C2F18

square

#183C1D #18253C #3C1837 #3C2F18

split-complementary

#183C1D #2F183C #3C1825

monochromatic

#09160B #09160B #183C1D #296832 #3B9347

Accessibility & contrast

On white

12.33

#183C1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#183C1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C1D

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C1D	#FFFFFF	#000000	##FFFFFF
##183C1D	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D371B

Deuteranopia (green-blind)

#38331F

Tritanopia (blue-blind)

#113B35

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183c1d;
/* rgb */ color: rgb(24, 60, 29);
/* oklch */ color: oklch(32.0% 0.068 146.6);

Tailwind

colors: {
  custom: {
    50: '#587259',
    500: '#183c1d',
    950: '#000000',
  },
}

SCSS

$custom: #183c1d;
$custom-light: #587259;
$custom-dark: #000000;

JSON

{
  "hex": "#183c1d",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 29
  },
  "hsl": {
    "h": 128.333,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32039,
    "c": 0.06812,
    "h": 146.6
  },
  "luminance": 0.03515
}

Semantic roles & 50–950 ramp

primary

#183C1D

secondary

#723E6B

accent

#55C1D3

background

#F5F6F5

surface

#E9ECE9

border

#C5C7C5

text

#030803

muted

#787B78

Preview Lab

Preview with #183C1D

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

Preview Lab → · Contrast checker → · Palette generator →