#66611F#66611F

#66611F is a mid, moderate yellow. Relative luminance 0.115; OKLCH L 48.4% C 0.086 H 105.0°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX#66611F
RGBrgb(102, 97, 31)
HSLhsl(56, 53%, 26%)
HSVhsv(56, 70%, 40%)
CMYKcmyk(0%, 4.9%, 69.6%, 60%)
CIE-LABlab(40.37, -6.90, 36.89)
CIE-LCHlch(40.37, 37.53, 100.60°)
OKLaboklab(48.36% -0.0223 0.0832)
OKLCHoklch(48.36% 0.086 105)
XYZxyz(10.0019, 11.4735, 2.9838)
Luminance0.1147 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66611F #1F2466
analogous
#663D1F #66611F #47661F
triadic
#66611F #1F6661 #611F66
tetradic
#66611F #1F663D #1F2466 #661F47
square
#66611F #1F663D #1F2466 #661F47
split-complementary
#66611F #1F4766 #3D1F66
monochromatic
#171607 #373411 #66611F #958E2D #C4BA3C

Accessibility & contrast

On white

6.37
#66611F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.29
#66611F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66611F
6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66611F#FFFFFF#000000##FFFFFF
##66611F1.006.373.296.37
#FFFFFF6.371.0021.001.00
#0000003.2921.001.0021.00
##FFFFFF6.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6A5D16
Deuteranopia (green-blind)
#6C6123
Tritanopia (blue-blind)
#6E5A53
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #66611f;
/* rgb */ color: rgb(102, 97, 31);
/* oklch */ color: oklch(48.4% 0.086 105.0);
Tailwind
colors: {
  custom: {
    50: '#948d5f',
    500: '#66611f',
    950: '#000000',
  },
}
SCSS
$custom: #66611f;
$custom-light: #948d5f;
$custom-dark: #000000;
JSON
{
  "hex": "#66611f",
  "rgb": {
    "r": 102,
    "g": 97,
    "b": 31
  },
  "hsl": {
    "h": 55.775,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.48355,
    "c": 0.08614,
    "h": 105
  },
  "luminance": 0.11473
}

Semantic roles & 50–950 ramp

primary
#66611F
secondary
#464C9A
accent
#55DD4B
background
#F9F8F5
surface
#F2F0E9
border
#CCCBC5
text
#0D0C05
muted
#7E7D79

Preview Lab

Preview with #66611F

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

Preview Lab → · Contrast checker → · Palette generator →

#66611F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva