#010100#010100

#010100 is a very dark, near-neutral yellow. Relative luminance 0.000; OKLCH L 6.5% C 0.014 H 109.8°. Best body text is #FFFFFF at 20.88:1 contrast (WCAG AA passes).

Color values

HEX	#010100
RGB	rgb(1, 1, 0)
HSL	hsl(60, 100%, 0%)
HSV	hsv(60, 100%, 0%)
CMYK	cmyk(0%, 0%, 100%, 99.6%)
CIE-LAB	lab(0.25, -0.14, 0.38)
CIE-LCH	lch(0.25, 0.40, 110.19°)
OKLab	oklab(6.51% -0.0048 0.0133)
OKLCH	oklch(6.51% 0.014 109.8)
XYZ	xyz(0.0234, 0.0282, 0.0042)
Luminance	0.0003 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010100 #000001

analogous

#010000 #010100 #000100

triadic

#010100 #000101 #010001

tetradic

#010100 #000100 #000001 #010000

square

#010100 #000100 #000001 #010000

split-complementary

#010100 #000001 #000001

monochromatic

#1F1F00 #1F1F00 #1F1F00 #3E3E00 #7B7B00

Accessibility & contrast

On white

20.88

#010100 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.01

#010100 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010100

20.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010100	#FFFFFF	#000000	##FFFFFF
##010100	1.00	20.88	1.01	20.88
#FFFFFF	20.88	1.00	21.00	1.00
#000000	1.01	21.00	1.00	21.00
##FFFFFF	20.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#010100

Deuteranopia (green-blind)

#010100

Tritanopia (blue-blind)

#010101

Achromatopsia (no color)

#010101

Design tokens & code

CSS

--color: #010100;
/* rgb */ color: rgb(1, 1, 0);
/* oklch */ color: oklch(6.5% 0.014 109.8);

Tailwind

colors: {
  custom: {
    50: '#474747',
    500: '#010100',
    950: '#000000',
  },
}

SCSS

$custom: #010100;
$custom-light: #474747;
$custom-dark: #000000;

JSON

{
  "hex": "#010100",
  "rgb": {
    "r": 1,
    "g": 1,
    "b": 0
  },
  "hsl": {
    "h": 60,
    "s": 100,
    "l": 0.196
  },
  "oklch": {
    "l": 0.06505,
    "c": 0.01418,
    "h": 109.8
  },
  "luminance": 0.00028
}

Semantic roles & 50–950 ramp

primary

#010100

secondary

#0E0E4F

accent

#29FF29

background

#F3F3F3

surface

#E5E5E5

border

#C1C1C1

text

#000000

muted

#777777

Preview Lab

Preview with #010100

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

Preview Lab → · Contrast checker → · Palette generator →