#173B03#173B03

#173B03 is a dark, moderate yellow-green. Relative luminance 0.033; OKLCH L 31.3% C 0.092 H 137.2°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#173B03
RGB	rgb(23, 59, 3)
HSL	hsl(99, 90%, 12%)
HSV	hsv(99, 95%, 23%)
CMYK	cmyk(61%, 0%, 94.9%, 76.9%)
CIE-LAB	lab(21.27, -24.15, 27.74)
CIE-LCH	lch(21.27, 36.78, 131.04°)
OKLab	oklab(31.33% -0.0671 0.0622)
OKLCH	oklch(31.33% 0.092 137.2)
XYZ	xyz(1.9337, 3.3165, 0.6244)
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

#173B03 #27033B

analogous

#333B03 #173B03 #033B0B

triadic

#173B03 #03173B #3B0317

tetradic

#173B03 #03333B #27033B #3B0B03

square

#173B03 #03333B #27033B #3B0B03

split-complementary

#173B03 #0B033B #3B0333

monochromatic

#0B1D01 #0B1D01 #173B03 #2E7506 #44AF09

Accessibility & contrast

On white

12.62

#173B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#173B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B03

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B03	#FFFFFF	#000000	##FFFFFF
##173B03	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)

#393209

Tritanopia (blue-blind)

#143831

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #173b03;
/* rgb */ color: rgb(23, 59, 3);
/* oklch */ color: oklch(31.3% 0.092 137.2);

Tailwind

colors: {
  custom: {
    50: '#597149',
    500: '#173b03',
    950: '#000000',
  },
}

SCSS

$custom: #173b03;
$custom-light: #597149;
$custom-dark: #000000;

JSON

{
  "hex": "#173b03",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 3
  },
  "hsl": {
    "h": 98.571,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.31332,
    "c": 0.09152,
    "h": 137.2
  },
  "luminance": 0.03317
}

Semantic roles & 50–950 ramp

primary

#173B03

secondary

#5B1C7E

accent

#29FFB2

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040801

muted

#797B77

Preview Lab

Preview with #173B03

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

Preview Lab → · Contrast checker → · Palette generator →