Convert RGB: #663333

Specify RGB Color

RGB (Red, Green, Blue) is the color model developed for screens. It is an Additive Color Model: if all parameters = 0 (#000000) , this means black, like a screen that is off. If all parameters are maximal (#FFFFFF), it's white.

RGB Color

#663333
RGB (Red Green Blue) Color Model is an Additive Color Model (if you don't add anything, it's black), used for screens.
#663333
closest color on the list of 216 colors that were safe for old 256-color screens.
66, 66, 66
Shade of grey with the same luminosity as this RGB color
0, 76, 81
Complementary Color: that is on the opposite side of the RGB color wheel, with opposite hue

Convert to other color models

0.0000, 0.5000, 0.5000, 0.6000
CMYK (Cyan Magenta Yellow blacK) Color Model is a Subtractive Color Model ("if you don't add anything, it remains white"), used for printing with 4 colors.
0.6000, 0.8000, 0.8000
CMY (Cyan Magenta Yellow) Color Model is a Subtractive Color Model ("if you don't add anything, it remains white"), used for printing with 3 colors.
0.0000, 50.0000, 40.0000
HSV (Hue Saturation Value) Color Model is a cylindrical-coordinate representation of points in an RGB color model.
0.0000, 33.3333, 30.0000
HSL (Hue Saturation Luminosity) Color Model is a cylindrical-coordinate representation of points in an RGB color model.
7.2609, 5.4314, 3.7977
CIE XYZ color space (a.k.a. CIE 1931 color space) encompasses all color sensations that an average person can experience
5.4314, 0.4403, 0.3294
CIE Yxy color space is a rescaling of CIE XYZ with chrominance to [0 - 1] range
27.9302, 22.8006, 10.3963
The Lab color space describes mathematically all perceivable colors in the three dimensions L for lightness and a and b for the color opponents green–red and blue–yellow
27.9302, 25.0590, 24.5114
CIELab cube color space, where the cylindrical coordinates C* (chroma, relative saturation) and h° (hue angle, angle of the hue in the CIELab color wheel) are specified

Examples

Here are some lists of RGB colors:
  • HTML color names: e.g. NavajoWhite, SteelBlue
  • Websafe colors: e.g. #F60, #36C

    • References

  • Bruce Lindbloom
  • RGB color model (additive)
  • CMYK color model (subtractive)