#173B18#173B18

#173B18 is a dark, moderate green. Relative luminance 0.034; OKLCH L 31.6% C 0.073 H 144.1°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#173B18
RGB	rgb(23, 59, 24)
HSL	hsl(122, 44%, 16%)
HSV	hsv(122, 61%, 23%)
CMYK	cmyk(61%, 0%, 59.3%, 76.9%)
CIE-LAB	lab(21.49, -21.69, 17.72)
CIE-LCH	lch(21.49, 28.01, 140.76°)
OKLab	oklab(31.59% -0.0589 0.0426)
OKLCH	oklch(31.59% 0.073 144.1)
XYZ	xyz(2.0821, 3.3759, 1.4059)
Luminance	0.0338 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173B18 #3B173A

analogous

#283B17 #173B18 #173B2A

triadic

#173B18 #18173B #3B1817

tetradic

#173B18 #17283B #3B173A #3B2A17

square

#173B18 #17283B #3B173A #3B2A17

split-complementary

#173B18 #2A173B #3B1728

monochromatic

#091609 #091609 #173B18 #28672A #39933C

Accessibility & contrast

On white

12.54

#173B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#173B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B18

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B18	#FFFFFF	#000000	##FFFFFF
##173B18	1.00	12.54	1.68	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3615

Deuteranopia (green-blind)

#37321A

Tritanopia (blue-blind)

#113933

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #173b18;
/* rgb */ color: rgb(23, 59, 24);
/* oklch */ color: oklch(31.6% 0.073 144.1);

Tailwind

colors: {
  custom: {
    50: '#587155',
    500: '#173b18',
    950: '#000000',
  },
}

SCSS

$custom: #173b18;
$custom-light: #587155;
$custom-dark: #000000;

JSON

{
  "hex": "#173b18",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 24
  },
  "hsl": {
    "h": 121.667,
    "s": 43.902,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31585,
    "c": 0.07275,
    "h": 144.1
  },
  "luminance": 0.03376
}

Semantic roles & 50–950 ramp

primary

#173B18

secondary

#723C70

accent

#54D0D4

background

#F5F6F5

surface

#E9ECE9

border

#C5C7C5

text

#030703

muted

#787A78

Preview Lab

Preview with #173B18

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

Preview Lab → · Contrast checker → · Palette generator →