#666F50#666F50

#666F50 is a mid, muted yellow-green. Relative luminance 0.148; OKLCH L 52.5% C 0.048 H 121.2°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX#666F50
RGBrgb(102, 111, 80)
HSLhsl(77, 16%, 37%)
HSVhsv(77, 28%, 44%)
CMYKcmyk(8.1%, 0%, 27.9%, 56.5%)
CIE-LABlab(45.32, -9.29, 16.17)
CIE-LCHlch(45.32, 18.65, 119.88°)
OKLaboklab(52.53% -0.0247 0.0408)
OKLCHoklch(52.53% 0.048 121.2)
XYZxyz(12.6118, 14.7729, 9.7749)
Luminance0.1477 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#666F50 #59506F
analogous
#6F6850 #666F50 #576F50
triadic
#666F50 #50666F #6F5066
tetradic
#666F50 #506F68 #59506F #6F5057
square
#666F50 #506F68 #59506F #6F5057
split-complementary
#666F50 #50576F #68506F
monochromatic
#25281D #454B36 #666F50 #87936A #A3AD8D

Accessibility & contrast

On white

5.31
#666F50 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.95
#666F50 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F50
5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##666F50#FFFFFF#000000##FFFFFF
##666F501.005.313.955.31
#FFFFFF5.311.0021.001.00
#0000003.9521.001.0021.00
##FFFFFF5.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#736B4E
Deuteranopia (green-blind)
#726B51
Tritanopia (blue-blind)
#696C67
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #666f50;
/* rgb */ color: rgb(102, 111, 80);
/* oklch */ color: oklch(52.5% 0.048 121.2);
Tailwind
colors: {
  custom: {
    50: '#929881',
    500: '#666f50',
    950: '#000000',
  },
}
SCSS
$custom: #666f50;
$custom-light: #929881;
$custom-dark: #000000;
JSON
{
  "hex": "#666f50",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 80
  },
  "hsl": {
    "h": 77.419,
    "s": 16.23,
    "l": 37.451
  },
  "oklch": {
    "l": 0.52533,
    "c": 0.04772,
    "h": 121.2
  },
  "luminance": 0.14773
}

Semantic roles & 50–950 ramp

primary
#666F50
secondary
#88809A
accent
#6FB984
background
#F8F9F7
surface
#F0F2EE
border
#CBCCC9
text
#0D0D0A
muted
#7D7E7C

Preview Lab

Preview with #666F50

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

Preview Lab → · Contrast checker → · Palette generator →

#666F50 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva