#666811#666811

#666811 is a mid, moderate yellow. Relative luminance 0.128; OKLCH L 50.0% C 0.103 H 111.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#666811
RGB	rgb(102, 104, 17)
HSL	hsl(61, 72%, 24%)
HSV	hsv(61, 84%, 41%)
CMYK	cmyk(1.9%, 0%, 83.7%, 59.2%)
CIE-LAB	lab(42.41, -11.61, 44.32)
CIE-LCH	lch(42.41, 45.82, 104.68°)
OKLab	oklab(49.96% -0.0369 0.0962)
OKLCH	oklch(49.96% 0.103 111)
XYZ	xyz(10.5314, 12.7662, 2.4396)
Luminance	0.1277 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666811 #131168

analogous

#683E11 #666811 #3A6811

triadic

#666811 #116668 #681166

tetradic

#666811 #11683E #131168 #68113A

square

#666811 #11683E #131168 #68113A

split-complementary

#666811 #113A68 #3E1168

monochromatic

#1A1A04 #323308 #666811 #9A9D1A #CDD122

Accessibility & contrast

On white

5.91

#666811 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#666811 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666811

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666811	#FFFFFF	#000000	##FFFFFF
##666811	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716300

Deuteranopia (green-blind)

#716519

Tritanopia (blue-blind)

#6E6158

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #666811;
/* rgb */ color: rgb(102, 104, 17);
/* oklch */ color: oklch(50.0% 0.103 111.0);

Tailwind

colors: {
  custom: {
    50: '#959258',
    500: '#666811',
    950: '#000000',
  },
}

SCSS

$custom: #666811;
$custom-light: #959258;
$custom-dark: #000000;

JSON

{
  "hex": "#666811",
  "rgb": {
    "r": 102,
    "g": 104,
    "b": 17
  },
  "hsl": {
    "h": 61.379,
    "s": 71.901,
    "l": 23.725
  },
  "oklch": {
    "l": 0.49955,
    "c": 0.10306,
    "h": 111
  },
  "luminance": 0.12766
}

Semantic roles & 50–950 ramp

primary

#666811

secondary

#3735A0

accent

#39EF3D

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0E0D04

muted

#7E7D79

Preview Lab

Preview with #666811

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

Preview Lab → · Contrast checker → · Palette generator →