#100F01#100F01

#100F01 is a very dark, muted yellow. Relative luminance 0.005; OKLCH L 16.5% C 0.032 H 106.5°. Best body text is #FFFFFF at 19.25:1 contrast (WCAG AA passes).

Color values

HEX	#100F01
RGB	rgb(16, 15, 1)
HSL	hsl(56, 88%, 3%)
HSV	hsv(56, 94%, 6%)
CMYK	cmyk(0%, 6.2%, 93.8%, 93.7%)
CIE-LAB	lab(4.10, -1.70, 5.70)
CIE-LCH	lch(4.10, 5.95, 106.61°)
OKLab	oklab(16.46% -0.0091 0.0307)
OKLCH	oklch(16.46% 0.032 106.5)
XYZ	xyz(0.3900, 0.4540, 0.0958)
Luminance	0.0045 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100F01 #010210

analogous

#100701 #100F01 #091001

triadic

#100F01 #01100F #0F0110

tetradic

#100F01 #011007 #010210 #100109

square

#100F01 #011007 #010210 #100109

split-complementary

#100F01 #010910 #070110

monochromatic

#1D1B02 #1D1B02 #1D1B02 #4A4505 #837B08

Accessibility & contrast

On white

19.25

#100F01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#100F01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100F01

19.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100F01	#FFFFFF	#000000	##FFFFFF
##100F01	1.00	19.25	1.09	19.25
#FFFFFF	19.25	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110E00

Deuteranopia (green-blind)

#120F01

Tritanopia (blue-blind)

#120D0B

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #100f01;
/* rgb */ color: rgb(16, 15, 1);
/* oklch */ color: oklch(16.5% 0.032 106.5);

Tailwind

colors: {
  custom: {
    50: '#4e4e47',
    500: '#100f01',
    950: '#000000',
  },
}

SCSS

$custom: #100f01;
$custom-light: #4e4e47;
$custom-dark: #000000;

JSON

{
  "hex": "#100f01",
  "rgb": {
    "r": 16,
    "g": 15,
    "b": 1
  },
  "hsl": {
    "h": 56,
    "s": 88.235,
    "l": 3.333
  },
  "oklch": {
    "l": 0.16464,
    "c": 0.03196,
    "h": 106.5
  },
  "luminance": 0.00454
}

Semantic roles & 50–950 ramp

primary

#100F01

secondary

#151958

accent

#38FE29

background

#F4F4F3

surface

#E7E7E5

border

#C3C3C1

text

#010100

muted

#777777

Preview Lab

Preview with #100F01

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

Preview Lab → · Contrast checker → · Palette generator →