What is disclosed is a plurality of prepaints which are used in any combination to produce base paints and/or colored paints of varying end-use application characteristics. Additionally, a mobile paint factory for producing a plurality of lines of paints from a plurality of prepaints en route to and/or at various locations is disclosed, which may include a vehicle having a paint production system, a spectrometer and a gloss meter. Furthermore, a method of producing a plurality of lines of user-selected paints from a plurality of prepaints en route to and/or at various locations is disclosed. The method may include: providing a mobile paint factory; prompting a user to select a value for a paint attribute on a slider; and automatically dispensing predetermined amounts of appropriate prepaints. The method may also comprise storing information about the reflectance of produced paints in a local data storage device.