#666E56#666E56

#666E56 is a mid, muted yellow-green. Relative luminance 0.146; OKLCH L 52.4% C 0.038 H 122.7°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX#666E56
RGBrgb(102, 110, 86)
HSLhsl(80, 12%, 38%)
HSVhsv(80, 22%, 43%)
CMYKcmyk(7.3%, 0%, 21.8%, 56.9%)
CIE-LABlab(45.15, -7.72, 12.40)
CIE-LCHlch(45.15, 14.61, 121.91°)
OKLaboklab(52.44% -0.0203 0.0317)
OKLCHoklch(52.44% 0.038 122.7)
XYZxyz(12.7349, 14.6485, 10.9588)
Luminance0.1465 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#666E56 #5E566E
analogous
#6E6A56 #666E56 #5A6E56
triadic
#666E56 #56666E #6E5666
tetradic
#666E56 #566E6A #5E566E #6E565A
square
#666E56 #566E6A #5E566E #6E565A
split-complementary
#666E56 #565A6E #6A566E
monochromatic
#262920 #464C3B #666E56 #869071 #A3AB93

Accessibility & contrast

On white

5.34
#666E56 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.93
#666E56 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E56
5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##666E56#FFFFFF#000000##FFFFFF
##666E561.005.343.935.34
#FFFFFF5.341.0021.001.00
#0000003.9321.001.0021.00
##FFFFFF5.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#716B55
Deuteranopia (green-blind)
#706B57
Tritanopia (blue-blind)
#686B67
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #666e56;
/* rgb */ color: rgb(102, 110, 86);
/* oklch */ color: oklch(52.4% 0.038 122.7);
Tailwind
colors: {
  custom: {
    50: '#919785',
    500: '#666e56',
    950: '#000000',
  },
}
SCSS
$custom: #666e56;
$custom-light: #919785;
$custom-dark: #000000;
JSON
{
  "hex": "#666e56",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 86
  },
  "hsl": {
    "h": 80,
    "s": 12.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.52438,
    "c": 0.03764,
    "h": 122.7
  },
  "luminance": 0.14649
}

Semantic roles & 50–950 ramp

primary
#666E56
secondary
#8D8699
accent
#73B589
background
#F8F9F8
surface
#F0F2EF
border
#CBCCCA
text
#0D0D0B
muted
#7D7E7C

Preview Lab

Preview with #666E56

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

Preview Lab → · Contrast checker → · Palette generator →

#666E56 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva