#173F18#173F18

#173F18 is a dark, moderate green. Relative luminance 0.038; OKLCH L 32.8% C 0.079 H 143.9°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#173F18
RGB	rgb(23, 63, 24)
HSL	hsl(122, 47%, 17%)
HSV	hsv(122, 63%, 25%)
CMYK	cmyk(63.5%, 0%, 61.9%, 75.3%)
CIE-LAB	lab(23.01, -23.61, 19.56)
CIE-LCH	lch(23.01, 30.66, 140.36°)
OKLab	oklab(32.83% -0.0641 0.0467)
OKLCH	oklch(32.83% 0.079 143.9)
XYZ	xyz(2.2956, 3.8029, 1.4770)
Luminance	0.0380 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Pine Green

#0A481E

ΔE00 3.62

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173F18 #3F173E

analogous

#2A3F17 #173F18 #173F2C

triadic

#173F18 #18173F #3F1817

tetradic

#173F18 #172A3F #3F173E #3F2C17

square

#173F18 #172A3F #3F173E #3F2C17

split-complementary

#173F18 #2C173F #3F172A

monochromatic

#081609 #081609 #173F18 #276C29 #38993A

Accessibility & contrast

On white

11.93

#173F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#173F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173F18

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173F18	#FFFFFF	#000000	##FFFFFF
##173F18	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403914

Deuteranopia (green-blind)

#3B361B

Tritanopia (blue-blind)

#103D36

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173f18;
/* rgb */ color: rgb(23, 63, 24);
/* oklch */ color: oklch(32.8% 0.079 143.9);

Tailwind

colors: {
  custom: {
    50: '#597456',
    500: '#173f18',
    950: '#000000',
  },
}

SCSS

$custom: #173f18;
$custom-light: #597456;
$custom-dark: #000000;

JSON

{
  "hex": "#173f18",
  "rgb": {
    "r": 23,
    "g": 63,
    "b": 24
  },
  "hsl": {
    "h": 121.5,
    "s": 46.512,
    "l": 16.863
  },
  "oklch": {
    "l": 0.32833,
    "c": 0.07933,
    "h": 143.9
  },
  "luminance": 0.03803
}

Semantic roles & 50–950 ramp

primary

#173F18

secondary

#763C74

accent

#52D3D6

background

#F5F7F5

surface

#E9EDE9

border

#C5C8C5

text

#040803

muted

#797B78

Preview Lab

Preview with #173F18

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

Preview Lab → · Contrast checker → · Palette generator →