#666C13#666C13

#666C13 is a mid, moderate yellow. Relative luminance 0.136; OKLCH L 51.0% C 0.107 H 113.6°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#666C13
RGB	rgb(102, 108, 19)
HSL	hsl(64, 70%, 25%)
HSV	hsv(64, 82%, 42%)
CMYK	cmyk(5.6%, 0%, 82.4%, 57.6%)
CIE-LAB	lab(43.65, -13.74, 44.79)
CIE-LCH	lch(43.65, 46.85, 107.06°)
OKLab	oklab(50.95% -0.0427 0.0976)
OKLCH	oklch(50.95% 0.107 113.6)
XYZ	xyz(10.9599, 13.5972, 2.6631)
Luminance	0.1360 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666C13 #19136C

analogous

#6C4613 #666C13 #396C13

triadic

#666C13 #13666C #6C1366

tetradic

#666C13 #136C46 #19136C #6C1339

square

#666C13 #136C46 #19136C #6C1339

split-complementary

#666C13 #13396C #46136C

monochromatic

#191A05 #35380A #666C13 #97A01C #C8D425

Accessibility & contrast

On white

5.65

#666C13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#666C13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666C13

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666C13	#FFFFFF	#000000	##FFFFFF
##666C13	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756600

Deuteranopia (green-blind)

#75681B

Tritanopia (blue-blind)

#6D655C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666c13;
/* rgb */ color: rgb(102, 108, 19);
/* oklch */ color: oklch(51.0% 0.107 113.6);

Tailwind

colors: {
  custom: {
    50: '#95955a',
    500: '#666c13',
    950: '#000000',
  },
}

SCSS

$custom: #666c13;
$custom-light: #95955a;
$custom-dark: #000000;

JSON

{
  "hex": "#666c13",
  "rgb": {
    "r": 102,
    "g": 108,
    "b": 19
  },
  "hsl": {
    "h": 64.045,
    "s": 70.079,
    "l": 24.902
  },
  "oklch": {
    "l": 0.50952,
    "c": 0.10653,
    "h": 113.6
  },
  "luminance": 0.13597
}

Semantic roles & 50–950 ramp

primary

#666C13

secondary

#3F38A3

accent

#3BED47

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666C13

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

Preview Lab → · Contrast checker → · Palette generator →