What PNAS asks of submitted figures — width, resolution, format, and color — with the source for every value.
| Single-column width | 87 mm |
|---|---|
| Double-column width | 178 mm |
| Min resolution (halftone) | 300 DPI |
| Min resolution (line art) | 1000 DPI |
| Font size | 6–12 pt |
| Accepted formats | TIFF, EPS, PDF |
| Color mode | RGB |
| Colorblind-safe | Not required |
| Max file size | — |
Source: official guide · verified 2026-06-13
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