#181500#181500

#181500 is a very dark, muted yellow. Relative luminance 0.007; OKLCH L 19.3% C 0.041 H 102.8°. Best body text is #FFFFFF at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#181500
RGB	rgb(24, 21, 0)
HSL	hsl(53, 100%, 5%)
HSV	hsv(53, 100%, 9%)
CMYK	cmyk(0%, 12.5%, 100%, 90.6%)
CIE-LAB	lab(6.60, -2.03, 9.85)
CIE-LCH	lch(6.60, 10.05, 101.64°)
OKLab	oklab(19.32% -0.009 0.0396)
OKLCH	oklch(19.32% 0.041 102.8)
XYZ	xyz(0.6449, 0.7306, 0.1070)
Luminance	0.0073 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181500 #000318

analogous

#180900 #181500 #0F1800

triadic

#181500 #001815 #150018

tetradic

#181500 #001809 #000318 #18000F

square

#181500 #001809 #000318 #18000F

split-complementary

#181500 #000F18 #090018

monochromatic

#1F1B00 #1F1B00 #1F1B00 #554B00 #928000

Accessibility & contrast

On white

18.32

#181500 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#181500 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181500

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181500	#FFFFFF	#000000	##FFFFFF
##181500	1.00	18.32	1.15	18.32
#FFFFFF	18.32	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181400

Deuteranopia (green-blind)

#191501

Tritanopia (blue-blind)

#1B1210

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #181500;
/* rgb */ color: rgb(24, 21, 0);
/* oklch */ color: oklch(19.3% 0.041 102.8);

Tailwind

colors: {
  custom: {
    50: '#545246',
    500: '#181500',
    950: '#000000',
  },
}

SCSS

$custom: #181500;
$custom-light: #545246;
$custom-dark: #000000;

JSON

{
  "hex": "#181500",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 0
  },
  "hsl": {
    "h": 52.5,
    "s": 100,
    "l": 4.706
  },
  "oklch": {
    "l": 0.19324,
    "c": 0.04059,
    "h": 102.8
  },
  "luminance": 0.00731
}

Semantic roles & 50–950 ramp

primary

#181500

secondary

#111C62

accent

#44FF29

background

#F4F4F3

surface

#E7E7E5

border

#C3C3C1

text

#020200

muted

#787877

Preview Lab

Preview with #181500

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

Preview Lab → · Contrast checker → · Palette generator →