#666B13#666B13

#666B13 is a mid, moderate yellow. Relative luminance 0.134; OKLCH L 50.7% C 0.105 H 113.0°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#666B13
RGB	rgb(102, 107, 19)
HSL	hsl(63, 70%, 25%)
HSV	hsv(63, 82%, 42%)
CMYK	cmyk(4.7%, 0%, 82.2%, 58%)
CIE-LAB	lab(43.34, -13.19, 44.51)
CIE-LCH	lch(43.34, 46.43, 106.51°)
OKLab	oklab(50.71% -0.0411 0.097)
OKLCH	oklch(50.71% 0.105 113)
XYZ	xyz(10.8551, 13.3874, 2.6282)
Luminance	0.1339 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666B13 #18136B

analogous

#6B4413 #666B13 #3A6B13

triadic

#666B13 #13666B #6B1366

tetradic

#666B13 #136B44 #18136B #6B133A

square

#666B13 #136B44 #18136B #6B133A

split-complementary

#666B13 #133A6B #44136B

monochromatic

#191A05 #34370A #666B13 #989F1C #C9D325

Accessibility & contrast

On white

5.71

#666B13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#666B13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666B13

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666B13	#FFFFFF	#000000	##FFFFFF
##666B13	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746500

Deuteranopia (green-blind)

#74671B

Tritanopia (blue-blind)

#6D645B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #666b13;
/* rgb */ color: rgb(102, 107, 19);
/* oklch */ color: oklch(50.7% 0.105 113.0);

Tailwind

colors: {
  custom: {
    50: '#95955a',
    500: '#666b13',
    950: '#000000',
  },
}

SCSS

$custom: #666b13;
$custom-light: #95955a;
$custom-dark: #000000;

JSON

{
  "hex": "#666b13",
  "rgb": {
    "r": 102,
    "g": 107,
    "b": 19
  },
  "hsl": {
    "h": 63.409,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.50705,
    "c": 0.10539,
    "h": 113
  },
  "luminance": 0.13387
}

Semantic roles & 50–950 ramp

primary

#666B13

secondary

#3E38A2

accent

#3BED45

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666B13

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

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