As a rule of thumb, if it looks right on the computer screen, it's probably too small. If it looks big, it's still too small. Aim for outrageously large. Here are a few hints on estimating appropriate sizes during the design phase . . .
That, by the way is another good reason to plan ahead. If the visuals are done before you actually need them, you can try them out for size and re-do them if necessary.
RETURN to the 4 concepts page.