#183C23#183C23

#183C23 is a dark, moderate green. Relative luminance 0.035; OKLCH L 32.2% C 0.061 H 151.5°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#183C23
RGB	rgb(24, 60, 35)
HSL	hsl(138, 43%, 16%)
HSV	hsv(138, 60%, 24%)
CMYK	cmyk(60%, 0%, 41.7%, 76.5%)
CIE-LAB	lab(22.11, -19.75, 11.63)
CIE-LCH	lch(22.11, 22.92, 149.52°)
OKLab	oklab(32.17% -0.0536 0.0291)
OKLCH	oklch(32.17% 0.061 151.5)
XYZ	xyz(2.2958, 3.5471, 2.1535)
Luminance	0.0355 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 8.09

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C23 #3C1831

analogous

#1F3C18 #183C23 #183C35

triadic

#183C23 #23183C #3C2318

tetradic

#183C23 #181F3C #3C1831 #3C3518

square

#183C23 #181F3C #3C1831 #3C3518

split-complementary

#183C23 #35183C #3C181F

monochromatic

#09160D #09160D #183C23 #29683D #3B9356

Accessibility & contrast

On white

12.29

#183C23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#183C23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C23

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C23	#FFFFFF	#000000	##FFFFFF
##183C23	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3721

Deuteranopia (green-blind)

#373425

Tritanopia (blue-blind)

#103B36

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183c23;
/* rgb */ color: rgb(24, 60, 35);
/* oklch */ color: oklch(32.2% 0.061 151.5);

Tailwind

colors: {
  custom: {
    50: '#58725e',
    500: '#183c23',
    950: '#000000',
  },
}

SCSS

$custom: #183c23;
$custom-light: #58725e;
$custom-dark: #000000;

JSON

{
  "hex": "#183c23",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 35
  },
  "hsl": {
    "h": 138.333,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32173,
    "c": 0.06103,
    "h": 151.5
  },
  "luminance": 0.03547
}

Semantic roles & 50–950 ramp

primary

#183C23

secondary

#723E62

accent

#55ACD3

background

#F5F6F5

surface

#E9ECE9

border

#C5C7C5

text

#030804

muted

#787B79

Preview Lab

Preview with #183C23

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

Preview Lab → · Contrast checker → · Palette generator →