For each product which has a choice of colors the following option will be available.

The Color Box on the left will show all of the available colors for the selected product.  The operator will have the ability to enter the quantity ordered in the right hand column.  The arrows will move the cursor up or down in this column.   The enter key would also move the cursor down one color. Colors will scroll up and down within this box if there are more colors than will fit in the box at one time.