#100F09#100F09

#100F09 is a very dark, near-neutral yellow. Relative luminance 0.005; OKLCH L 16.7% C 0.012 H 99.7°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#100F09
RGB	rgb(16, 15, 9)
HSL	hsl(51, 28%, 5%)
HSV	hsv(51, 44%, 6%)
CMYK	cmyk(0%, 6.2%, 43.8%, 93.7%)
CIE-LAB	lab(4.26, -0.59, 2.67)
CIE-LCH	lch(4.26, 2.74, 102.41°)
OKLab	oklab(16.74% -0.002 0.0119)
OKLCH	oklch(16.74% 0.012 99.7)
XYZ	xyz(0.4338, 0.4715, 0.3266)
Luminance	0.0047 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100F09 #090A10

analogous

#100C09 #100F09 #0E1009

triadic

#100F09 #09100F #0F0910

tetradic

#100F09 #09100C #090A10 #10090E

square

#100F09 #09100C #090A10 #10090E

split-complementary

#100F09 #090E10 #0C0910

monochromatic

#14120B #14120B #14120B #37341F #5E5835

Accessibility & contrast

On white

19.19

#100F09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#100F09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100F09

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100F09	#FFFFFF	#000000	##FFFFFF
##100F09	1.00	19.19	1.09	19.19
#FFFFFF	19.19	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100F09

Deuteranopia (green-blind)

#110F09

Tritanopia (blue-blind)

#110E0D

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #100f09;
/* rgb */ color: rgb(16, 15, 9);
/* oklch */ color: oklch(16.7% 0.012 99.7);

Tailwind

colors: {
  custom: {
    50: '#4e4e4b',
    500: '#100f09',
    950: '#000000',
  },
}

SCSS

$custom: #100f09;
$custom-light: #4e4e4b;
$custom-dark: #000000;

JSON

{
  "hex": "#100f09",
  "rgb": {
    "r": 16,
    "g": 15,
    "b": 9
  },
  "hsl": {
    "h": 51.429,
    "s": 28,
    "l": 4.902
  },
  "oklch": {
    "l": 0.16737,
    "c": 0.01208,
    "h": 99.7
  },
  "luminance": 0.00472
}

Semantic roles & 50–950 ramp

primary

#100F09

secondary

#2F3246

accent

#71C463

background

#F4F4F4

surface

#E7E7E7

border

#C3C3C3

text

#010101

muted

#777777

Preview Lab

Preview with #100F09

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

Preview Lab → · Contrast checker → · Palette generator →