#666A52#666A52

#666A52 is a mid, muted yellow-green. Relative luminance 0.137; OKLCH L 51.4% C 0.037 H 115.4°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX#666A52
RGBrgb(102, 106, 82)
HSLhsl(70, 13%, 37%)
HSVhsv(70, 23%, 42%)
CMYKcmyk(3.8%, 0%, 22.6%, 58.4%)
CIE-LABlab(43.86, -6.10, 12.99)
CIE-LCHlch(43.86, 14.36, 115.16°)
OKLaboklab(51.39% -0.0157 0.0331)
OKLCHoklch(51.39% 0.037 115.4)
XYZxyz(12.1564, 13.7421, 9.9931)
Luminance0.1374 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#666A52 #56526A
analogous
#6A6252 #666A52 #5A6A52
triadic
#666A52 #52666A #6A5266
tetradic
#666A52 #526A62 #56526A #6A525A
square
#666A52 #526A62 #56526A #6A525A
split-complementary
#666A52 #525A6A #62526A
monochromatic
#24251D #454737 #666A52 #878D6D #A4A88E

Accessibility & contrast

On white

5.60
#666A52 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.75
#666A52 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A52
5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##666A52#FFFFFF#000000##FFFFFF
##666A521.005.603.755.60
#FFFFFF5.601.0021.001.00
#0000003.7521.001.0021.00
##FFFFFF5.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6E6751
Deuteranopia (green-blind)
#6D6853
Tritanopia (blue-blind)
#696763
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #666a52;
/* rgb */ color: rgb(102, 106, 82);
/* oklch */ color: oklch(51.4% 0.037 115.4);
Tailwind
colors: {
  custom: {
    50: '#919482',
    500: '#666a52',
    950: '#000000',
  },
}
SCSS
$custom: #666a52;
$custom-light: #919482;
$custom-dark: #000000;
JSON
{
  "hex": "#666a52",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 82
  },
  "hsl": {
    "h": 70,
    "s": 12.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.51386,
    "c": 0.03665,
    "h": 115.4
  },
  "luminance": 0.13742
}

Semantic roles & 50–950 ramp

primary
#666A52
secondary
#858296
accent
#72B67D
background
#F8F9F7
surface
#F0F1EE
border
#CBCBC9
text
#0D0D0A
muted
#7D7E7C

Preview Lab

Preview with #666A52

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

Preview Lab → · Contrast checker → · Palette generator →

#666A52 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva