Colour code #660000

#660000
rgb(102, 0, 0)
rgb(40%, 0%, 0%)

RGB value of #660000 colour is rgb(102, 0, 0) where red value is 102, green value is 0 and the blue value is 0.

Max value from RGB for colour #660000 is 102 which contains mainly Red colour.

Cylindrical-coordinate representations (also known as HSL colours) of colour #660000 hue angle of 0°, saturation:100% and the lightness value is 20%.

The process colour (four Colour CMYK) of #660000 colour is Cyan = 0, Magento = 1, Yellow = 1, and Key/Black (K on CMYK) = 0.6.

#660000 is a web safe colour.

Grayscale color of #660000 is #1E1E1E

Inverted color of #660000 is #99FFFF

OLE colour (RGB Long) of #660000 is 102

Decimal Value of #660000 is 6684672

Android / android.graphics.Color of #660000 is -10092544 / 0xFF660000

The following declarations are allowed (CSS 3.0) for #660000

Hex Triplets
#660000
RGB Decimal
rgb(102, 0, 0)
RGB Percent
rgb(40%, 0%, 0%)
RGBA
rgba(102, 0, 0, 1)
HSL
hsl(0, 100%, 20%)
HSLA
hsla(0, 100%, 20%, 1)

Colour spaces of #660000

  • RGB is opposite of CMY. CMY colours are complementary to RGB colours.
    R = 102
    40%
    G = 0
    0%
    B = 0
    0%

    C = 60%
    0.6
    M = 100%
    1
    Y = 100%
    1
  • HSL (HSI) – hue, saturation, lightness/intensity
    H = 0°
    0
    S = 100%
    1
    L = 20%
    0.2
  • HSV (HSB) – hue, saturation, brightness/value
    H = 0°
    0
    S = 100%
    1
    V = 40%
    0.4
  • CMYK – cyan, magenta, yellow, key/black
    C = 0
    0
    M = 100
    1
    Y = 100
    1
    K = 60
    0.6
  • CIE – International Commission on Illumination
    CIE XYZ
    CIE 1931 XYZ colour space
    X = 5.479
    5.4794895808795
    Y = 2.825
    2.8247805162342
    Z = 0.256
    0.25643586059887

    Yxy
    CIE (x, y, Y)
    Y = 2.825
    2.8247805162342
    x = 0.64
    0.64007449945677
    y = 0.33
    0.32997051063169

    Hunter-Lab
    Hunter 1948 colour space
    L = 16.81
    16.807083376464
    a = 28.78
    28.782644139401
    b = 10.86
    10.860334888152

    CIELAB
    CIE 1976 (L*, a*, b*)
    L = 19.33
    19.328041258168
    a = 40.88
    40.878046951552
    b = 29.66
    29.656297552562

    CIELUV
    CIE 1976 (L*, u*, v*)
    L = 19.328
    19.328041258168
    u = 63.5591
    63.559066944641
    v = 13.7066
    13.706628202535

    CIELCH
    Cylindrical representation
    L = 19.328
    19.328041258168
    C = 50.5026
    50.502581192444
    H = 35.9602
    35.960218983155

    YIQ
    Luma In-phase Quadrature
    Y = 0.1196
    0.1196
    I = 0.2384
    0.2384
    Q = 0.0848
    0.0848

Base Numbers

Base Red Green Blue
Binary 01100110 00000000 00000000
Octal 146 0 0
Decimal 102 0 0
Hex 66 0 0


Colour Harmonies : #660000 colour combinations

Complementary colour scheme for #660000

Colors that are opposite each other on the color wheel are considered to be complementary colors. The high contrast of complementary colors creates a vibrant look especially when used at full saturation.

In the complementary color scheme, the opposite colour of #660000 colour is calculated by adding 180° to the value of the current hue: 0° → 180° (+180°)

Split-complementary colour scheme for #660000

The split-complementary colour scheme is a variation of the complementary colour scheme. In addition to the base colour, it uses the two colours adjacent to its complement.This color scheme has the same strong visual contrast as the complementary color scheme, but has less tension.

Split-complementary colours of #660000 are calculated by changing the hue by ±5/12 (±150°): 0° → -150° (0°-150°), 150° (0°+150°).

Triadic colours scheme for #660000

A triadic colour scheme uses colors that are evenly spaced around the colour wheel. This scheme tend to be quite vibrant, even if you use pale or unsaturated versions of your hues. To use a triadic harmony successfully, the colours should be carefully balanced - let one colour dominate and use the two others for accent.

Equidistant combinations of triadic scheme colours for #660000 are calculated by changing the hue by ±1/3 (±120°): 0° → -120° (0°-120°), 120° (0°+120°).

Tetradic (Rectangle) colour scheme for #660000

The rectangle or tetradic color scheme uses four colors arranged into two complementary pairs.This schemes works best if one color is dominant, while the rest serve as extras.

Four tetradic scheme colours (clockwise) for #660000 are calculated by changing the hue as follows : 0° → 120° (0°+120°), 180° (0°+180°), 300° (0°+300°).


Four tetradic scheme colours (counter-clockwise) for #660000 are calculated by changing the hue as follows : 0° → -120° (0°-120°), -180° (0°-180°), -300° (0°-300°).

Tetradic Square Colour Scheme for #660000

The square color scheme is similar to the Tetradic rectangle scheme, but with all four colors spaced evenly around the color circle. Square color schemes works best if you let one color be dominant. You should also pay attention to the balance between warm and cool colors in your design.

Four equidistant tetradic square scheme colours for #660000 are calculated by changing the hue by 1/4 (90°) progressively : 0° → 90° (0°+90°), 180° (0°+180°), 270° (0°+270°).

Analagous colours of #660000

Analogous colours are groups of three colors that are next to each other on the colour wheel. They usually match well and create serene and comfortable designs.

Analogous color schemes are often found in nature and are harmonious and pleasing to the eye.

The analogous colours of #660000 are calculated by changing the hue by ±1/12 (i.e. 30°): 0° → 30° (0°+30°), -30° (0°-30°).

RGB Variations of #660000

(R:66, G:00, B:66)

Monochromatic colours of #660000

Shade Colour Variation of #660000 (Darker)

A shade is achieved by adding black to any pure hue

Tint Colour Variation of #660000 (Brighter)

Tint is created by mixing white to any pure color

Tones of #660000 colour with more saturation

A tone is produced by adding gray to any pure hue.

Tones of #660000 colour with less saturation

A tone is produced by adding gray to any pure hue.

#660000 Colour in CSS Codes


.myforecolor{
    color:#660000;
}
.mybgcolor{
    background-color:#660000;
}
.mybordercolor{
    border:3px solid #660000;
}

Text with hexadecimal font colour #660000

This sample text font Colour is #660000
The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog


<p style="color:#660000">Text here</p>


#660000 Background Colour

This div background Colour is #660000


<div style="background-color:#660000">
    Div content here
</div>


#660000 Border Colour

This div border Colour is #660000


<div style="border:3px solid #660000">
    Div content here
</div>

CSS3 Examples


.textShadowRgb {
    text-shadow: 4px 4px 2px rgba(102, 0, 0, 0.8);
} 
.textShadowHex { 
    text-shadow: 4px 4px 2px #660000;
}
.divShadow { 
    -moz-box-shadow: 1px 1px 3px 2px #660000;
    -webkit-box-shadow: 1px 1px 3px 2px #660000;
    box-shadow: 1px 1px 3px 2px #660000;
}


Text Shadow with RGB Values

This text has shadow with rgb values.


<p style="text-shadow: 4px 4px 2px rgba(102, 0, 0, 0.8);">Text here</p>


Text Shadow with HEX Values

This text has shadow with hex values.


<p style="text-shadow: 4px 4px 2px #660000">Text here</p>


Div Box Shadow

This div box has shadow with Colour # 660000



<div style="-moz-box-shadow: 1px 1px 3px 2px #660000;
-webkit-box-shadow: 1px 1px 3px 2px #660000;
box-shadow: 1px 1px 3px 2px #660000;">
    Div content here
</div>

Colour Compositions

RGB % of Colour #660000

CMYK % of Colour #660000

Related Colours along with #660000

Black background

Sample text in #660000 colour with black background colour.

White background

Sample text in #660000 colour with white background colour.

#660000 over22 #000066

Sample text in #660000 colour with #000066 background colour.

#000066 over 660000

Sample text in #000066 colour with #660000 background colour.

#660000 over22 #003366

Sample text in #660000 colour with #003366 background colour.

#003366 over 660000

Sample text in #003366 colour with #660000 background colour.

#660000 over22 #006600

Sample text in #660000 colour with #006600 background colour.

#006600 over 660000

Sample text in #006600 colour with #660000 background colour.

#660000 over22 #006633

Sample text in #660000 colour with #006633 background colour.

#006633 over 660000

Sample text in #006633 colour with #660000 background colour.

#660000 over22 #006666

Sample text in #660000 colour with #006666 background colour.

#006666 over 660000

Sample text in #006666 colour with #660000 background colour.

#660000 over22 #1E1E1E

Sample text in #660000 colour with #1E1E1E background colour.

#1E1E1E over 660000

Sample text in #1E1E1E colour with #660000 background colour.

#660000 over22 #99FFFF

Sample text in #660000 colour with #99FFFF background colour.

#99FFFF over 660000

Sample text in #99FFFF colour with #660000 background colour.

#660000 over22 #330066

Sample text in #660000 colour with #330066 background colour.

#330066 over 660000

Sample text in #330066 colour with #660000 background colour.

#660000 over22 #336600

Sample text in #660000 colour with #336600 background colour.

#336600 over 660000

Sample text in #336600 colour with #660000 background colour.

#660000 over22 #660066

Sample text in #660000 colour with #660066 background colour.

#660066 over 660000

Sample text in #660066 colour with #660000 background colour.

#660000 over22 #666600

Sample text in #660000 colour with #666600 background colour.

#666600 over 660000

Sample text in #666600 colour with #660000 background colour.