#666911#666911

#666911 is a mid, moderate yellow. Relative luminance 0.130; OKLCH L 50.2% C 0.104 H 111.7°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#666911
RGB	rgb(102, 105, 17)
HSL	hsl(62, 72%, 24%)
HSV	hsv(62, 84%, 41%)
CMYK	cmyk(2.9%, 0%, 83.8%, 58.8%)
CIE-LAB	lab(42.72, -12.17, 44.59)
CIE-LCH	lch(42.72, 46.22, 105.26°)
OKLab	oklab(50.2% -0.0385 0.0968)
OKLCH	oklch(50.2% 0.104 111.7)
XYZ	xyz(10.6326, 12.9687, 2.4733)
Luminance	0.1297 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666911 #141169

analogous

#694011 #666911 #3A6911

triadic

#666911 #116669 #691166

tetradic

#666911 #116940 #141169 #69113A

square

#666911 #116940 #141169 #69113A

split-complementary

#666911 #113A69 #401169

monochromatic

#1A1A04 #333408 #666911 #999E1A #CCD222

Accessibility & contrast

On white

5.84

#666911 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#666911 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666911

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666911	#FFFFFF	#000000	##FFFFFF
##666911	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726400

Deuteranopia (green-blind)

#726619

Tritanopia (blue-blind)

#6E6259

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #666911;
/* rgb */ color: rgb(102, 105, 17);
/* oklch */ color: oklch(50.2% 0.104 111.7);

Tailwind

colors: {
  custom: {
    50: '#959359',
    500: '#666911',
    950: '#000000',
  },
}

SCSS

$custom: #666911;
$custom-light: #959359;
$custom-dark: #000000;

JSON

{
  "hex": "#666911",
  "rgb": {
    "r": 102,
    "g": 105,
    "b": 17
  },
  "hsl": {
    "h": 62.045,
    "s": 72.131,
    "l": 23.922
  },
  "oklch": {
    "l": 0.50201,
    "c": 0.10416,
    "h": 111.7
  },
  "luminance": 0.12968
}

Semantic roles & 50–950 ramp

primary

#666911

secondary

#3935A1

accent

#39EF3F

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666911

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

Preview Lab → · Contrast checker → · Palette generator →