#666011#666011

#666011 is a mid, moderate yellow. Relative luminance 0.112; OKLCH L 48.0% C 0.095 H 104.8°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX#666011
RGBrgb(102, 96, 17)
HSLhsl(56, 71%, 23%)
HSVhsv(56, 83%, 40%)
CMYKcmyk(0%, 5.9%, 83.3%, 60%)
CIE-LABlab(39.97, -7.07, 42.16)
CIE-LCHlch(39.97, 42.74, 99.52°)
OKLaboklab(48.01% -0.0243 0.0916)
OKLCHoklch(48.01% 0.095 104.8)
XYZxyz(9.7640, 11.2314, 2.1838)
Luminance0.1123 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#666011 #111766
analogous
#663511 #666011 #416611
triadic
#666011 #116660 #601166
tetradic
#666011 #116635 #111766 #661141
square
#666011 #116635 #111766 #661141
split-complementary
#666011 #114166 #351166
monochromatic
#1A1904 #322F08 #666011 #9A911A #CFC322

Accessibility & contrast

On white

6.47
#666011 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.25
#666011 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666011
6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##666011#FFFFFF#000000##FFFFFF
##6660111.006.473.256.47
#FFFFFF6.471.0021.001.00
#0000003.2521.001.0021.00
##FFFFFF6.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#695C00
Deuteranopia (green-blind)
#6B6018
Tritanopia (blue-blind)
#6E5951
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #666011;
/* rgb */ color: rgb(102, 96, 17);
/* oklch */ color: oklch(48.0% 0.095 104.8);
Tailwind
colors: {
  custom: {
    50: '#958c57',
    500: '#666011',
    950: '#000000',
  },
}
SCSS
$custom: #666011;
$custom-light: #958c57;
$custom-dark: #000000;
JSON
{
  "hex": "#666011",
  "rgb": {
    "r": 102,
    "g": 96,
    "b": 17
  },
  "hsl": {
    "h": 55.765,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.48006,
    "c": 0.09473,
    "h": 104.8
  },
  "luminance": 0.11231
}

Semantic roles & 50–950 ramp

primary
#666011
secondary
#353C9E
accent
#46EE3A
background
#F9F8F5
surface
#F2F0E9
border
#CCCBC5
text
#0E0C03
muted
#7E7D78

Preview Lab

Preview with #666011

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

Preview Lab → · Contrast checker → · Palette generator →

#666011 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva