#173B04#173B04

#173B04 is a dark, moderate yellow-green. Relative luminance 0.033; OKLCH L 31.3% C 0.091 H 137.4°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#173B04
RGB	rgb(23, 59, 4)
HSL	hsl(99, 87%, 12%)
HSV	hsv(99, 93%, 23%)
CMYK	cmyk(61%, 0%, 93.2%, 76.9%)
CIE-LAB	lab(21.28, -24.05, 27.34)
CIE-LCH	lch(21.28, 36.42, 131.34°)
OKLab	oklab(31.34% -0.0668 0.0614)
OKLCH	oklch(31.34% 0.091 137.4)
XYZ	xyz(1.9392, 3.3187, 0.6532)
Luminance	0.0332 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173B04 #28043B

analogous

#333B04 #173B04 #043B0D

triadic

#173B04 #04173B #3B0417

tetradic

#173B04 #04333B #28043B #3B0D04

square

#173B04 #04333B #28043B #3B0D04

split-complementary

#173B04 #0D043B #3B0433

monochromatic

#0B1D02 #0B1D02 #173B04 #2D7408 #44AE0C

Accessibility & contrast

On white

12.62

#173B04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#173B04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B04

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B04	#FFFFFF	#000000	##FFFFFF
##173B04	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3500

Deuteranopia (green-blind)

#39320A

Tritanopia (blue-blind)

#143831

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #173b04;
/* rgb */ color: rgb(23, 59, 4);
/* oklch */ color: oklch(31.3% 0.091 137.4);

Tailwind

colors: {
  custom: {
    50: '#59714a',
    500: '#173b04',
    950: '#000000',
  },
}

SCSS

$custom: #173b04;
$custom-light: #59714a;
$custom-dark: #000000;

JSON

{
  "hex": "#173b04",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 4
  },
  "hsl": {
    "h": 99.273,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.31341,
    "c": 0.09071,
    "h": 137.4
  },
  "luminance": 0.03319
}

Semantic roles & 50–950 ramp

primary

#173B04

secondary

#5C1E7D

accent

#2AFDB5

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040701

muted

#797A77

Preview Lab

Preview with #173B04

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

Preview Lab → · Contrast checker → · Palette generator →