#664B10#664B10

#664B10 is a dark, moderate orange. Relative luminance 0.079; OKLCH L 43.1% C 0.081 H 82.1°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX#664B10
RGBrgb(102, 75, 16)
HSLhsl(41, 73%, 23%)
HSVhsv(41, 84%, 40%)
CMYKcmyk(0%, 26.5%, 84.3%, 60%)
CIE-LABlab(33.76, 5.44, 36.94)
CIE-LCHlch(33.76, 37.33, 81.62°)
OKLaboklab(43.1% 0.0111 0.0801)
OKLCHoklch(43.1% 0.081 82.1)
XYZxyz(8.0896, 7.8950, 1.5879)
Luminance0.0789 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#664B10 #102B66
analogous
#662010 #664B10 #566610
triadic
#664B10 #10664B #4B1066
tetradic
#664B10 #106620 #102B66 #661056
square
#664B10 #106620 #102B66 #661056
split-complementary
#664B10 #105666 #201066
monochromatic
#1A1304 #312408 #664B10 #9B7218 #D09921

Accessibility & contrast

On white

8.14
#664B10 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.58
#664B10 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664B10
8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##664B10#FFFFFF#000000##FFFFFF
##664B101.008.142.588.14
#FFFFFF8.141.0021.001.00
#0000002.5821.001.0021.00
##FFFFFF8.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564B05
Deuteranopia (green-blind)
#5C5213
Tritanopia (blue-blind)
#704340
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #664b10;
/* rgb */ color: rgb(102, 75, 16);
/* oklch */ color: oklch(43.1% 0.081 82.1);
Tailwind
colors: {
  custom: {
    50: '#957d54',
    500: '#664b10',
    950: '#000000',
  },
}
SCSS
$custom: #664b10;
$custom-light: #957d54;
$custom-dark: #000000;
JSON
{
  "hex": "#664b10",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 16
  },
  "hsl": {
    "h": 41.163,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.431,
    "c": 0.08088,
    "h": 82.1
  },
  "luminance": 0.07894
}

Semantic roles & 50–950 ramp

primary
#664B10
secondary
#33559E
accent
#72F038
background
#F9F7F5
surface
#F2EEE8
border
#CCC9C4
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #664B10

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

Preview Lab → · Contrast checker → · Palette generator →

#664B10 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva