Click on the Pick tool and select the object(s) you wish to change the color of;

The Uniform Color Mixer allows you to select and works with the following Color Models: CMY, CMYK, HSV, L*a*b* and RGB.

Once you have selected the Color Model you can then set the value for each Color Channel to obtain the precise color you require. Alternatively you can select one of the Color Swatches, or click on the Color Wheel or the Color Panel to select a color. Once you have the color you require click on Apply and the selected object(s) in the program will change to that color.

You can then apply the Color to other documents within your document, as explained below.

Click on the Pick tool and select the object you wish to copy the Uniform Color from and its fill (color) will appear in the Current Fill (shown above);