#181801#181801

#181801 is a very dark, muted yellow. Relative luminance 0.009; OKLCH L 20.3% C 0.042 H 109.6°. Best body text is #FFFFFF at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#181801
RGB	rgb(24, 24, 1)
HSL	hsl(60, 92%, 5%)
HSV	hsv(60, 96%, 9%)
CMYK	cmyk(0%, 0%, 95.8%, 90.6%)
CIE-LAB	lab(7.68, -4.05, 11.01)
CIE-LCH	lch(7.68, 11.73, 110.19°)
OKLab	oklab(20.26% -0.0141 0.0395)
OKLCH	oklch(20.26% 0.042 109.6)
XYZ	xyz(0.7088, 0.8497, 0.1554)
Luminance	0.0085 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181801 #010118

analogous

#180D01 #181801 #0D1801

triadic

#181801 #011818 #180118

tetradic

#181801 #01180D #010118 #18010D

square

#181801 #01180D #010118 #18010D

split-complementary

#181801 #010D18 #0D0118

monochromatic

#1D1D01 #1D1D01 #1D1D01 #535303 #8E8E06

Accessibility & contrast

On white

17.95

#181801 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#181801 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181801

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181801	#FFFFFF	#000000	##FFFFFF
##181801	1.00	17.95	1.17	17.95
#FFFFFF	17.95	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1600

Deuteranopia (green-blind)

#1B1702

Tritanopia (blue-blind)

#1B1613

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #181801;
/* rgb */ color: rgb(24, 24, 1);
/* oklch */ color: oklch(20.3% 0.042 109.6);

Tailwind

colors: {
  custom: {
    50: '#545447',
    500: '#181801',
    950: '#000000',
  },
}

SCSS

$custom: #181801;
$custom-light: #545447;
$custom-dark: #000000;

JSON

{
  "hex": "#181801",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 1
  },
  "hsl": {
    "h": 60,
    "s": 92,
    "l": 4.902
  },
  "oklch": {
    "l": 0.20257,
    "c": 0.0419,
    "h": 109.6
  },
  "luminance": 0.0085
}

Semantic roles & 50–950 ramp

primary

#181801

secondary

#151560

accent

#29FF29

background

#F4F4F3

surface

#E7E7E5

border

#C3C3C1

text

#020200

muted

#787877

Preview Lab

Preview with #181801

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

Preview Lab → · Contrast checker → · Palette generator →