#66511E#66511E

#66511E is a dark, moderate orange. Relative luminance 0.088; OKLCH L 44.6% C 0.074 H 86.4°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX#66511E
RGBrgb(102, 81, 30)
HSLhsl(43, 55%, 26%)
HSVhsv(43, 71%, 40%)
CMYKcmyk(0%, 20.6%, 70.6%, 60%)
CIE-LABlab(35.60, 2.53, 32.35)
CIE-LCHlch(35.60, 32.44, 85.53°)
OKLaboklab(44.58% 0.0046 0.0734)
OKLCHoklch(44.58% 0.074 86.4)
XYZxyz(8.6567, 8.8039, 2.4714)
Luminance0.0880 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66511E #1E3366
analogous
#662D1E #66511E #57661E
triadic
#66511E #1E6651 #511E66
tetradic
#66511E #1E662D #1E3366 #661E57
square
#66511E #1E662D #1E3366 #661E57
split-complementary
#66511E #1E5766 #2D1E66
monochromatic
#181307 #372B10 #66511E #95772C #C59C3A

Accessibility & contrast

On white

7.61
#66511E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.76
#66511E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66511E
7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66511E#FFFFFF#000000##FFFFFF
##66511E1.007.612.767.61
#FFFFFF7.611.0021.001.00
#0000002.7621.001.0021.00
##FFFFFF7.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B5018
Deuteranopia (green-blind)
#605620
Tritanopia (blue-blind)
#6F4A46
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #66511e;
/* rgb */ color: rgb(102, 81, 30);
/* oklch */ color: oklch(44.6% 0.074 86.4);
Tailwind
colors: {
  custom: {
    50: '#94815c',
    500: '#66511e',
    950: '#000000',
  },
}
SCSS
$custom: #66511e;
$custom-light: #94815c;
$custom-dark: #000000;
JSON
{
  "hex": "#66511e",
  "rgb": {
    "r": 102,
    "g": 81,
    "b": 30
  },
  "hsl": {
    "h": 42.5,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.44582,
    "c": 0.07356,
    "h": 86.4
  },
  "luminance": 0.08803
}

Semantic roles & 50–950 ramp

primary
#66511E
secondary
#455E9B
accent
#75DE4A
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0E0A04
muted
#7E7C79

Preview Lab

Preview with #66511E

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

Preview Lab → · Contrast checker → · Palette generator →

#66511E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva