#666A50#666A50

#666A50 is a mid, muted yellow. Relative luminance 0.137; OKLCH L 51.3% C 0.040 H 114.9°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX#666A50
RGBrgb(102, 106, 80)
HSLhsl(69, 14%, 36%)
HSVhsv(69, 25%, 42%)
CMYKcmyk(3.8%, 0%, 24.5%, 58.4%)
CIE-LABlab(43.82, -6.43, 14.12)
CIE-LCHlch(43.82, 15.52, 114.49°)
OKLaboklab(51.34% -0.0167 0.0359)
OKLCHoklch(51.34% 0.04 114.9)
XYZxyz(12.0814, 13.7121, 9.5981)
Luminance0.1371 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#666A50 #54506A
analogous
#6A6150 #666A50 #596A50
triadic
#666A50 #50666A #6A5066
tetradic
#666A50 #506A61 #54506A #6A5059
square
#666A50 #506A61 #54506A #6A5059
split-complementary
#666A50 #50596A #61506A
monochromatic
#23241B #444736 #666A50 #888D6A #A4A88C

Accessibility & contrast

On white

5.61
#666A50 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.74
#666A50 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A50
5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##666A50#FFFFFF#000000##FFFFFF
##666A501.005.613.745.61
#FFFFFF5.611.0021.001.00
#0000003.7421.001.0021.00
##FFFFFF5.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6E674E
Deuteranopia (green-blind)
#6E6851
Tritanopia (blue-blind)
#696763
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #666a50;
/* rgb */ color: rgb(102, 106, 80);
/* oklch */ color: oklch(51.3% 0.040 114.9);
Tailwind
colors: {
  custom: {
    50: '#929481',
    500: '#666a50',
    950: '#000000',
  },
}
SCSS
$custom: #666a50;
$custom-light: #929481;
$custom-dark: #000000;
JSON
{
  "hex": "#666a50",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 80
  },
  "hsl": {
    "h": 69.231,
    "s": 13.978,
    "l": 36.471
  },
  "oklch": {
    "l": 0.51337,
    "c": 0.03953,
    "h": 114.9
  },
  "luminance": 0.13712
}

Semantic roles & 50–950 ramp

primary
#666A50
secondary
#838096
accent
#71B77C
background
#F8F9F7
surface
#F0F1EE
border
#CBCBC9
text
#0D0D0A
muted
#7D7E7C

Preview Lab

Preview with #666A50

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

Preview Lab → · Contrast checker → · Palette generator →

#666A50 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva