#66641E#66641E

#66641E is a mid, moderate yellow. Relative luminance 0.120; OKLCH L 49.1% C 0.090 H 107.7°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#66641E
RGBrgb(102, 100, 30)
HSLhsl(58, 55%, 26%)
HSVhsv(58, 71%, 40%)
CMYKcmyk(0%, 2%, 70.6%, 60%)
CIE-LABlab(41.27, -8.69, 38.27)
CIE-LCHlch(41.27, 39.24, 102.79°)
OKLaboklab(49.07% -0.0274 0.086)
OKLCHoklch(49.07% 0.09 107.7)
XYZxyz(10.2714, 12.0332, 3.0096)
Luminance0.1203 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66641E #1E2066
analogous
#66401E #66641E #44661E
triadic
#66641E #1E6664 #641E66
tetradic
#66641E #1E6640 #1E2066 #661E44
square
#66641E #1E6640 #1E2066 #661E44
split-complementary
#66641E #1E4466 #401E66
monochromatic
#181707 #373610 #66641E #95922C #C5C13A

Accessibility & contrast

On white

6.16
#66641E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

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

Best text color

#FFFFFF on #66641E
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66641E#FFFFFF#000000##FFFFFF
##66641E1.006.163.416.16
#FFFFFF6.161.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6D6014
Deuteranopia (green-blind)
#6E6323
Tritanopia (blue-blind)
#6E5D56
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #66641e;
/* rgb */ color: rgb(102, 100, 30);
/* oklch */ color: oklch(49.1% 0.090 107.7);
Tailwind
colors: {
  custom: {
    50: '#948f5e',
    500: '#66641e',
    950: '#000000',
  },
}
SCSS
$custom: #66641e;
$custom-light: #948f5e;
$custom-dark: #000000;
JSON
{
  "hex": "#66641e",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 30
  },
  "hsl": {
    "h": 58.333,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.49071,
    "c": 0.09022,
    "h": 107.7
  },
  "luminance": 0.12033
}

Semantic roles & 50–950 ramp

primary
#66641E
secondary
#45489B
accent
#4EDE4A
background
#F9F8F5
surface
#F2F0E9
border
#CCCBC5
text
#0D0C05
muted
#7E7D79

Preview Lab

Preview with #66641E

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

Preview Lab → · Contrast checker → · Palette generator →

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