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Proper Sign Distance for Optimal Visibility

You may have a great-looking sign, but what if your potential customers can’t make out what it’s supposed to mean? Ensuring that potential customers can view and understand your message is vital to your businesses success.

Below is a chart that advises on the appropriate letter height for readability at certain distances.

Letter Height
(Inches)

Distance For
Best Impact (feet)

Maximum Readable Distance (feet)

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'

42"

420'

1750'

48"

480'

2000'

54"

540'

2250'

60"

600'

2500'

Proper sign color and contrast is an essential element in sign legibility

A high-color contrast factor will improve legibility. Here are the best combinations, ranked in order of legibility from a distance.

Sign Color And Contrast

Color Combination Effects

Sign Color Combinations

Contrast Solutions

Weak color contrasts can be strengthened with an outline or drop shadow.

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