#171C09#171C09

#171C09 is a very dark, muted yellow-green. Relative luminance 0.010; OKLCH L 21.6% C 0.034 H 121.5°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#171C09
RGB	rgb(23, 28, 9)
HSL	hsl(76, 51%, 7%)
HSV	hsv(76, 68%, 11%)
CMYK	cmyk(17.9%, 0%, 67.9%, 89%)
CIE-LAB	lab(9.26, -6.40, 10.03)
CIE-LCH	lch(9.26, 11.90, 122.55°)
OKLab	oklab(21.55% -0.018 0.0294)
OKLCH	oklch(21.55% 0.034 121.5)
XYZ	xyz(0.8179, 1.0324, 0.4146)
Luminance	0.0103 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171C09 #0E091C

analogous

#1C1809 #171C09 #0E1C09

triadic

#171C09 #09171C #1C0917

tetradic

#171C09 #091C18 #0E091C #1C090E

square

#171C09 #091C18 #0E091C #1C090E

split-complementary

#171C09 #090E1C #18091C

monochromatic

#131707 #131707 #171C09 #3D4A18 #637927

Accessibility & contrast

On white

17.41

#171C09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#171C09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171C09

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171C09	#FFFFFF	#000000	##FFFFFF
##171C09	1.00	17.41	1.21	17.41
#FFFFFF	17.41	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A08

Deuteranopia (green-blind)

#1D1A0A

Tritanopia (blue-blind)

#181A18

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #171c09;
/* rgb */ color: rgb(23, 28, 9);
/* oklch */ color: oklch(21.6% 0.034 121.5);

Tailwind

colors: {
  custom: {
    50: '#53584a',
    500: '#171c09',
    950: '#000000',
  },
}

SCSS

$custom: #171c09;
$custom-light: #53584a;
$custom-dark: #000000;

JSON

{
  "hex": "#171c09",
  "rgb": {
    "r": 23,
    "g": 28,
    "b": 9
  },
  "hsl": {
    "h": 75.789,
    "s": 51.351,
    "l": 7.255
  },
  "oklch": {
    "l": 0.21552,
    "c": 0.03449,
    "h": 121.5
  },
  "luminance": 0.01032
}

Semantic roles & 50–950 ramp

primary

#171C09

secondary

#352958

accent

#4DDB72

background

#F4F5F4

surface

#E7E9E7

border

#C3C5C3

text

#020301

muted

#787877

Preview Lab

Preview with #171C09

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

Preview Lab → · Contrast checker → · Palette generator →