When
planning for your next sign project, please feel free to use this
section to maximize your sign visibility and functioning with
out letter
visibility chart for readable distance and
color combinations chart for
sign legibility.
| Letter
Height |
Readable
Distance for Maximum Impact |
Maximum
Readable Distance |
| 3" |
30' |
100' |
| 4" |
40' |
150' |
| 6" |
60' |
200' |
| 8" |
80' |
350' |
| 9" |
90' |
400' |
| 10" |
100' |
450' |
| 12" |
120' |
525' |
| 15" |
150' |
630' |
| 18" |
180' |
750' |
| 24" |
240' |
1000' |
| 30" |
300' |
1250' |
| 36" |
360' |
1500' |
| 48" |
480' |
2000' |
| 60" |
600' |
2500' |
| This letter visibility chart is based
on information provided by the California Institute
of Technology. The distances will vary approximately
10% with various color combinations. Maximum distance
in color would be RED or BLACK on White background. |
|
| Color
Combinations Chart (ranked in order) |
| Atmospheric
and ambient light conditions, as well as type of
letter, affect legibility of combinations listed
above. |
|
|
