- The quality of being clear enough to read.
- The visual clarity of text, generally based on the size, typeface, contrast, text block, and spacing of the characters used.
- Legible type fosters communication.Illegible type presents barriers to communication.
- Legibility refers to how a typeface is designed and how well one individual character can be distinguished from another.
- Legibility is different from readability which refers to entire words, sentences, and paragraphs.
- Readability is influenced by line length, primary and secondary leading, justification, type style, kerning, tracking, point size, etc.
The following guidelines address common issues regarding text legibility:
- Size
- Typeface
- Contrast
- Text Blocks
- Spacing