Colors are no longer limited to only one color table with 256 colors. Colors can be selected from True Color, Industry Standard and User defined Color Books.
From the MicroStation pull down menu Settings > Color Table will open the standard Color Table. Editing the standard colors can be done by selecting True Colors or industry standard Pantone and RAL colors.
True Color
Modifying a particular color in the table will allow the use of the eye dropper tool which can select colors on the screen even outside the MicroStation application window.
Color Books Pantone®, Natural Color Systems®, and RAL®
Colors that are industry standards such as Pantone, NCS, and RAL are available from the drop down menu.