#666F4D#666F4D

#666F4D is a mid, muted yellow-green. Relative luminance 0.147; OKLCH L 52.5% C 0.052 H 120.3°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX#666F4D
RGBrgb(102, 111, 77)
HSLhsl(76, 18%, 37%)
HSVhsv(76, 31%, 44%)
CMYKcmyk(8.1%, 0%, 30.6%, 56.5%)
CIE-LABlab(45.26, -9.77, 17.85)
CIE-LCHlch(45.26, 20.35, 118.69°)
OKLaboklab(52.47% -0.0261 0.0448)
OKLCHoklch(52.47% 0.052 120.3)
XYZxyz(12.5034, 14.7295, 9.2041)
Luminance0.1473 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#666F4D #564D6F
analogous
#6F674D #666F4D #556F4D
triadic
#666F4D #4D666F #6F4D66
tetradic
#666F4D #4D6F67 #564D6F #6F4D55
square
#666F4D #4D6F67 #564D6F #6F4D55
split-complementary
#666F4D #4D556F #674D6F
monochromatic
#24271B #454B34 #666F4D #879366 #A4AD89

Accessibility & contrast

On white

5.32
#666F4D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.95
#666F4D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F4D
5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##666F4D#FFFFFF#000000##FFFFFF
##666F4D1.005.323.955.32
#FFFFFF5.321.0021.001.00
#0000003.9521.001.0021.00
##FFFFFF5.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#736B4B
Deuteranopia (green-blind)
#726B4E
Tritanopia (blue-blind)
#696C66
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #666f4d;
/* rgb */ color: rgb(102, 111, 77);
/* oklch */ color: oklch(52.5% 0.052 120.3);
Tailwind
colors: {
  custom: {
    50: '#92987f',
    500: '#666f4d',
    950: '#000000',
  },
}
SCSS
$custom: #666f4d;
$custom-light: #92987f;
$custom-dark: #000000;
JSON
{
  "hex": "#666f4d",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 77
  },
  "hsl": {
    "h": 75.882,
    "s": 18.085,
    "l": 36.863
  },
  "oklch": {
    "l": 0.52465,
    "c": 0.05184,
    "h": 120.3
  },
  "luminance": 0.14729
}

Semantic roles & 50–950 ramp

primary
#666F4D
secondary
#857D9A
accent
#6DBB82
background
#F9F9F7
surface
#F1F2EE
border
#CBCCC9
text
#0D0D0A
muted
#7E7E7C

Preview Lab

Preview with #666F4D

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

Preview Lab → · Contrast checker → · Palette generator →

#666F4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva