7de9b602_ackgrounds_Printed_Backgrounds__NOT_ACCEPTABLE
[ACCEPTABLE] Certain background colors, even at full strength, do not provide adequate contrast. The only approved background colors for one-color printing are "dark" colors or black. [NOT ACCEPTABLE] 
The reverse marks should not be used on very light backgrounds; The marks must appear only in black or white (not yellow):
Wordmark with Printed Backgrounds Printed Backgrounds
NOT ACCEPTABLE