#173303#173303

#173303 is a dark, moderate yellow-green. Relative luminance 0.026; OKLCH L 28.8% C 0.080 H 135.4°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#173303
RGB	rgb(23, 51, 3)
HSL	hsl(95, 89%, 11%)
HSV	hsv(95, 94%, 20%)
CMYK	cmyk(54.9%, 0%, 94.1%, 80%)
CIE-LAB	lab(18.17, -20.40, 24.21)
CIE-LCH	lch(18.17, 31.66, 130.11°)
OKLab	oklab(28.78% -0.0571 0.0564)
OKLCH	oklch(28.78% 0.08 135.4)
XYZ	xyz(1.5536, 2.5563, 0.4977)
Luminance	0.0256 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173303 #1F0333

analogous

#2F3303 #173303 #033307

triadic

#173303 #031733 #330317

tetradic

#173303 #032F33 #1F0333 #330703

square

#173303 #032F33 #1F0333 #330703

split-complementary

#173303 #070333 #33032F

monochromatic

#0D1D02 #0D1D02 #173303 #316D06 #4BA70A

Accessibility & contrast

On white

13.90

#173303 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#173303 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173303

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173303	#FFFFFF	#000000	##FFFFFF
##173303	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352E00

Deuteranopia (green-blind)

#322C07

Tritanopia (blue-blind)

#16312A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #173303;
/* rgb */ color: rgb(23, 51, 3);
/* oklch */ color: oklch(28.8% 0.080 135.4);

Tailwind

colors: {
  custom: {
    50: '#576b48',
    500: '#173303',
    950: '#000000',
  },
}

SCSS

$custom: #173303;
$custom-light: #576b48;
$custom-dark: #000000;

JSON

{
  "hex": "#173303",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 3
  },
  "hsl": {
    "h": 95,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.28781,
    "c": 0.08027,
    "h": 135.4
  },
  "luminance": 0.02556
}

Semantic roles & 50–950 ramp

primary

#173303

secondary

#501C76

accent

#29FFA6

background

#F5F6F4

surface

#E9EBE6

border

#C5C6C2

text

#030601

muted

#787A77

Preview Lab

Preview with #173303

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

Preview Lab → · Contrast checker → · Palette generator →