Different areas of the OMM will be color-coded to alert you to specific conditions.
For example, the order quantity box will show as orange to signify that quantity is Unsaved. Press <Enter> or simply move to the next line to save the quantity.
A darker blue box with white text means that you overrode the store’s original order quantity, which can be seen by hovering your cursor over the new quantity:
A title in black text signifies an Active title. A green title indicates a title is forthcoming or frontlist. A gray title indicates that a title is “unavailable (OSI or OP):