Colored characters on colored backgrounds are decreasingly effective in this order: black on yellow, green on white, blue on white, white on blue, black on white, yellow on black, white on red, white on orange, white on black, red on yellow, green on red, red on green, blue on red.
The Six Vital Variables of Performance Marketing: Testing Markets, Products, Prices, Offers, Media/Materials, Creative Approaches.
There are basically six major factors which affect the viability of any performance marketing operation, and it is important that you accept from the outset that each of them is variable, and you must test …