#66766E#66766E

#66766E is a mid, muted grey. Relative luminance 0.169; OKLCH L 55.0% C 0.023 H 164.0°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX#66766E
RGBrgb(102, 118, 110)
HSLhsl(150, 7%, 43%)
HSVhsv(150, 14%, 46%)
CMYKcmyk(13.6%, 0%, 6.8%, 53.7%)
CIE-LABlab(48.14, -7.65, 2.40)
CIE-LCHlch(48.14, 8.02, 162.56°)
OKLaboklab(55.01% -0.0218 0.0062)
OKLCHoklch(55.01% 0.023 164)
XYZxyz(14.7717, 16.9071, 17.2340)
Luminance0.1691 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66766E #76666E
analogous
#667666 #66766E #667676
triadic
#66766E #6E6676 #766E66
tetradic
#66766E #666676 #76666E #767666
square
#66766E #666676 #76666E #767666
split-complementary
#66766E #766676 #766666
monochromatic
#2D3431 #4A554F #66766E #84958D #A5B1AB

Accessibility & contrast

On white

4.79
#66766E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.38
#66766E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66766E
4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66766E#FFFFFF#000000##FFFFFF
##66766E1.004.794.384.79
#FFFFFF4.791.0021.001.00
#0000004.3821.001.0021.00
##FFFFFF4.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#75746E
Deuteranopia (green-blind)
#72716E
Tritanopia (blue-blind)
#637674
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #66766e;
/* rgb */ color: rgb(102, 118, 110);
/* oklch */ color: oklch(55.0% 0.023 164.0);
Tailwind
colors: {
  custom: {
    50: '#919d97',
    500: '#66766e',
    950: '#000000',
  },
}
SCSS
$custom: #66766e;
$custom-light: #919d97;
$custom-dark: #000000;
JSON
{
  "hex": "#66766e",
  "rgb": {
    "r": 102,
    "g": 118,
    "b": 110
  },
  "hsl": {
    "h": 150,
    "s": 7.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.55012,
    "c": 0.02267,
    "h": 164
  },
  "luminance": 0.16907
}

Semantic roles & 50–950 ramp

primary
#66766E
secondary
#A1979C
accent
#7794B0
background
#F8F9F9
surface
#F0F2F2
border
#CBCCCC
text
#0C0E0D
muted
#7D7E7E

Preview Lab

Preview with #66766E

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

Preview Lab → · Contrast checker → · Palette generator →

#66766E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva