#173F03#173F03

#173F03 is a dark, moderate green. Relative luminance 0.037; OKLCH L 32.6% C 0.097 H 137.9°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#173F03
RGB	rgb(23, 63, 3)
HSL	hsl(100, 91%, 13%)
HSV	hsv(100, 95%, 25%)
CMYK	cmyk(63.5%, 0%, 95.2%, 75.3%)
CIE-LAB	lab(22.80, -25.92, 29.37)
CIE-LCH	lch(22.80, 39.17, 131.43°)
OKLab	oklab(32.6% -0.0719 0.065)
OKLCH	oklch(32.6% 0.097 137.9)
XYZ	xyz(2.1472, 3.7436, 0.6956)
Luminance	0.0374 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Forrest Green

#154406

ΔE00 1.73

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173F03 #2B033F

analogous

#353F03 #173F03 #033F0D

triadic

#173F03 #03173F #3F0317

tetradic

#173F03 #03353F #2B033F #3F0D03

square

#173F03 #03353F #2B033F #3F0D03

split-complementary

#173F03 #0D033F #3F0335

monochromatic

#0B1D01 #0B1D01 #173F03 #2C7906 #42B409

Accessibility & contrast

On white

12.01

#173F03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#173F03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173F03

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173F03	#FFFFFF	#000000	##FFFFFF
##173F03	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413800

Deuteranopia (green-blind)

#3C350A

Tritanopia (blue-blind)

#143C34

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173f03;
/* rgb */ color: rgb(23, 63, 3);
/* oklch */ color: oklch(32.6% 0.097 137.9);

Tailwind

colors: {
  custom: {
    50: '#5a744a',
    500: '#173f03',
    950: '#000000',
  },
}

SCSS

$custom: #173f03;
$custom-light: #5a744a;
$custom-dark: #000000;

JSON

{
  "hex": "#173f03",
  "rgb": {
    "r": 23,
    "g": 63,
    "b": 3
  },
  "hsl": {
    "h": 100,
    "s": 90.909,
    "l": 12.941
  },
  "oklch": {
    "l": 0.32599,
    "c": 0.09692,
    "h": 137.9
  },
  "luminance": 0.03744
}

Semantic roles & 50–950 ramp

primary

#173F03

secondary

#601D81

accent

#29FFB8

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#040801

muted

#797B77

Preview Lab

Preview with #173F03

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

Preview Lab → · Contrast checker → · Palette generator →