Software Workshop

Illustrator

Palette menu - Select all unused - delete 
Change view - List or grid 

(Registration) - not to be used for anything other than the registration marks. Which aren't part of your final image. 

Go to colour palette menu and create new swatch: 

Or go on the swatch menu and create a new swatch: 

Here I have now made 3 new swatches: 

To edit a swatch you simply double click on the colour and then you can change the percentages. 

When making tints, if you double click on a tint and change the colour it will change all of the other tints change colour. In order to do this, you can click the global box.