To make upwards one's remove heed which enshroud angle to role when a screened PMS/spot color overprints a 4/C procedure ikon y'all volition postulate to expect carefully at the ikon that y'all volition last overprinting. The basic dominion is to role the enshroud angle of the to the lowest degree prominent (or missing) screened procedure color that volition last underneath the screened spot color. For example, if there's no screened dark nether the spot color - role the Black angle, if there's no Cyan role the Cyan angle, etc. Try to avoid using the Yellow enshroud angle because inward touchstone enshroud angle sets yellowish is solely xv degrees away from C or M. As a lawsuit moiré is e'er at that topographic point only it is normally non visible because the yellowish is therefore pale. The moiré tin instruct visible however, if the yellowish becomes contaminated - or if it is used for a nighttime spot color. For example, inward the graphic below, the...