Avoid crowding a small poster. Use a larger poster (36” x 48” recommended) and utilize more white space to improve access.
Use 1.5-2.0 line spacing.
Use sans serif typeface. Options include Helvetica, Verdana, Microsoft Sans Serif, and Arial.
Title Size: Ideal is 158-point but should be at least 72-point.
Section Title: Ideal is 56-point but should be at least 46-56 point.
Block Text/Body: Ideal is 36-point font but should be at least 24-36 point.
Black text with a light background is the easiest to read for printed material; if it is important to have many colors for aesthetic or other reasons, it is better to use combinations different from black text on white background only for larger or highlighted text, such as title headlines.
As a courtesy to red/green color blind, do not use these colors.
Inaccessible posters tend to: