#171B05#171B05

#171B05 is a very dark, muted yellow-green. Relative luminance 0.010; OKLCH L 21.2% C 0.039 H 118.2°. Best body text is #FFFFFF at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#171B05
RGB	rgb(23, 27, 5)
HSL	hsl(71, 69%, 6%)
HSV	hsv(71, 81%, 11%)
CMYK	cmyk(14.8%, 0%, 81.5%, 89.4%)
CIE-LAB	lab(8.80, -6.27, 11.00)
CIE-LCH	lch(8.80, 12.66, 119.68°)
OKLab	oklab(21.16% -0.0185 0.0345)
OKLCH	oklch(21.16% 0.039 118.2)
XYZ	xyz(0.7727, 0.9770, 0.2914)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171B05 #09051B

analogous

#1B1405 #171B05 #0C1B05

triadic

#171B05 #05171B #1B0517

tetradic

#171B05 #051B14 #09051B #1B050C

square

#171B05 #051B14 #09051B #1B050C

split-complementary

#171B05 #050C1B #14051B

monochromatic

#161A05 #161A05 #171B05 #434F0F #6F8218

Accessibility & contrast

On white

17.57

#171B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#171B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171B05

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171B05	#FFFFFF	#000000	##FFFFFF
##171B05	1.00	17.57	1.20	17.57
#FFFFFF	17.57	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1903

Deuteranopia (green-blind)

#1D1906

Tritanopia (blue-blind)

#191916

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #171b05;
/* rgb */ color: rgb(23, 27, 5);
/* oklch */ color: oklch(21.2% 0.039 118.2);

Tailwind

colors: {
  custom: {
    50: '#535749',
    500: '#171b05',
    950: '#000000',
  },
}

SCSS

$custom: #171b05;
$custom-light: #535749;
$custom-dark: #000000;

JSON

{
  "hex": "#171b05",
  "rgb": {
    "r": 23,
    "g": 27,
    "b": 5
  },
  "hsl": {
    "h": 70.909,
    "s": 68.75,
    "l": 6.275
  },
  "oklch": {
    "l": 0.21159,
    "c": 0.03914,
    "h": 118.2
  },
  "luminance": 0.00977
}

Semantic roles & 50–950 ramp

primary

#171B05

secondary

#2B205C

accent

#3CEC5C

background

#F4F5F4

surface

#E7E9E6

border

#C3C5C2

text

#020300

muted

#787877

Preview Lab

Preview with #171B05

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

Preview Lab → · Contrast checker → · Palette generator →