And we judge the direct mail we receive by the envelope. In this column we'll examine why some envelopes get opened.
Guerrillas are familiar with the two basic approaches to envelopes.
When using color, blue and red are the traditional choices. Levinson also suggests using vivid colors like yellow, orange or pink. The choice of color should be appropriate to the product being offered. If you're marketing medical services or life insurance, stick with neutral colors. However, if you're offering computer software or sports equipment, go crazy with color.