#666A49#666A49

#666A49 is a mid, muted yellow. Relative luminance 0.136; OKLCH L 51.2% C 0.049 H 113.8°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX#666A49
RGBrgb(102, 106, 73)
HSLhsl(67, 18%, 35%)
HSVhsv(67, 31%, 42%)
CMYKcmyk(3.8%, 0%, 31.1%, 58.4%)
CIE-LABlab(43.67, -7.53, 18.06)
CIE-LCHlch(43.67, 19.57, 112.63°)
OKLaboklab(51.18% -0.0199 0.0452)
OKLCHoklch(51.18% 0.049 113.8)
XYZxyz(11.8361, 13.6140, 8.3063)
Luminance0.1361 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#666A49 #4D496A
analogous
#6A5E49 #666A49 #556A49
triadic
#666A49 #49666A #6A4966
tetradic
#666A49 #496A5E #4D496A #6A4955
square
#666A49 #496A5E #4D496A #6A4955
split-complementary
#666A49 #49556A #5E496A
monochromatic
#202217 #434630 #666A49 #898E62 #A5AA83

Accessibility & contrast

On white

5.64
#666A49 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.72
#666A49 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A49
5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##666A49#FFFFFF#000000##FFFFFF
##666A491.005.643.725.64
#FFFFFF5.641.0021.001.00
#0000003.7221.001.0021.00
##FFFFFF5.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6F6747
Deuteranopia (green-blind)
#6F684A
Tritanopia (blue-blind)
#6A6661
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #666a49;
/* rgb */ color: rgb(102, 106, 73);
/* oklch */ color: oklch(51.2% 0.049 113.8);
Tailwind
colors: {
  custom: {
    50: '#92947c',
    500: '#666a49',
    950: '#000000',
  },
}
SCSS
$custom: #666a49;
$custom-light: #92947c;
$custom-dark: #000000;
JSON
{
  "hex": "#666a49",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 73
  },
  "hsl": {
    "h": 67.273,
    "s": 18.436,
    "l": 35.098
  },
  "oklch": {
    "l": 0.51177,
    "c": 0.04939,
    "h": 113.8
  },
  "luminance": 0.13614
}

Semantic roles & 50–950 ramp

primary
#666A49
secondary
#7C7897
accent
#6DBB76
background
#F9F9F7
surface
#F1F1EE
border
#CBCBC9
text
#0D0D09
muted
#7E7E7B

Preview Lab

Preview with #666A49

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

Preview Lab → · Contrast checker → · Palette generator →

#666A49 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva