#666A11#666A11

#666A11 is a mid, moderate yellow. Relative luminance 0.132; OKLCH L 50.4% C 0.105 H 112.3°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#666A11
RGB	rgb(102, 106, 17)
HSL	hsl(63, 72%, 24%)
HSV	hsv(63, 84%, 42%)
CMYK	cmyk(3.8%, 0%, 84%, 58.4%)
CIE-LAB	lab(43.02, -12.72, 44.86)
CIE-LCH	lch(43.02, 46.63, 105.83°)
OKLab	oklab(50.45% -0.04 0.0974)
OKLCH	oklch(50.45% 0.105 112.3)
XYZ	xyz(10.7351, 13.1736, 2.5075)
Luminance	0.1317 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666A11 #15116A

analogous

#6A4211 #666A11 #3A6A11

triadic

#666A11 #11666A #6A1166

tetradic

#666A11 #116A42 #15116A #6A113A

square

#666A11 #116A42 #15116A #6A113A

split-complementary

#666A11 #113A6A #42116A

monochromatic

#191A04 #333509 #666A11 #999F19 #CCD322

Accessibility & contrast

On white

5.78

#666A11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#666A11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A11

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666A11	#FFFFFF	#000000	##FFFFFF
##666A11	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736500

Deuteranopia (green-blind)

#73671A

Tritanopia (blue-blind)

#6E635A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #666a11;
/* rgb */ color: rgb(102, 106, 17);
/* oklch */ color: oklch(50.4% 0.105 112.3);

Tailwind

colors: {
  custom: {
    50: '#959459',
    500: '#666a11',
    950: '#000000',
  },
}

SCSS

$custom: #666a11;
$custom-light: #959459;
$custom-dark: #000000;

JSON

{
  "hex": "#666a11",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 17
  },
  "hsl": {
    "h": 62.697,
    "s": 72.358,
    "l": 24.118
  },
  "oklch": {
    "l": 0.50447,
    "c": 0.10528,
    "h": 112.3
  },
  "luminance": 0.13173
}

Semantic roles & 50–950 ramp

primary

#666A11

secondary

#3A35A2

accent

#39EF41

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666A11

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

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