#66641D#66641D

#66641D is a mid, moderate yellow. Relative luminance 0.120; OKLCH L 49.1% C 0.091 H 107.7°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX#66641D
RGBrgb(102, 100, 29)
HSLhsl(58, 56%, 26%)
HSVhsv(58, 72%, 40%)
CMYKcmyk(0%, 2%, 71.6%, 60%)
CIE-LABlab(41.26, -8.75, 38.70)
CIE-LCHlch(41.26, 39.68, 102.74°)
OKLaboklab(49.06% -0.0277 0.0867)
OKLCHoklch(49.06% 0.091 107.7)
XYZxyz(10.2588, 12.0282, 2.9434)
Luminance0.1203 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66641D #1D1F66
analogous
#663F1D #66641D #43661D
triadic
#66641D #1D6664 #641D66
tetradic
#66641D #1D663F #1D1F66 #661D43
square
#66641D #1D663F #1D1F66 #661D43
split-complementary
#66641D #1D4366 #3F1D66
monochromatic
#181707 #36350F #66641D #96932B #C5C138

Accessibility & contrast

On white

6.17
#66641D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.41
#66641D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66641D
6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66641D#FFFFFF#000000##FFFFFF
##66641D1.006.173.416.17
#FFFFFF6.171.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6D6012
Deuteranopia (green-blind)
#6E6322
Tritanopia (blue-blind)
#6E5D56
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #66641d;
/* rgb */ color: rgb(102, 100, 29);
/* oklch */ color: oklch(49.1% 0.091 107.7);
Tailwind
colors: {
  custom: {
    50: '#948f5e',
    500: '#66641d',
    950: '#000000',
  },
}
SCSS
$custom: #66641d;
$custom-light: #948f5e;
$custom-dark: #000000;
JSON
{
  "hex": "#66641d",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 29
  },
  "hsl": {
    "h": 58.356,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.49062,
    "c": 0.09101,
    "h": 107.7
  },
  "luminance": 0.12028
}

Semantic roles & 50–950 ramp

primary
#66641D
secondary
#44469B
accent
#4DDF49
background
#F9F8F5
surface
#F2F0E9
border
#CCCBC5
text
#0D0C04
muted
#7E7D79

Preview Lab

Preview with #66641D

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

Preview Lab → · Contrast checker → · Palette generator →

#66641D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva