Digital Art Guidelines for Print Figures
Submitting digital art at the appropriate resolution, in the proper color mode, and in one of the acceptable file formats is
important and helps to avoid possible publication delays and to maximize the effectiveness of figures in the printed journal.
Please refer to this guide when preparing digital art.
Image type: Combination
Halftone and Line Art
Resolution: 600 dpi
Color mode: RGB or Grayscale
Image type: Halftone
Resolution: 300 dpi
Color mode: RGB‡ or Grayscale
Image type: Line Art
Resolution: 1200 dpi
Color mode: Grayscale*or Bitmap†
Image type, Resolution, and Color Mode
High resolution images are not all the same; an adequate resolution for one type of image may be unsatisfactory for another.
Generally, there are three different types of artwork: line art, halftone images, and combination halftone and line art images.
Their respective minimum resolutions and color mode requirements are shown in the examples below.
If the figures you submit are not at the correct resolution, you will be asked to supply new ones; this
may cause delays in the publication of your paper.
Line art figure at
* Grayscale refers to an image containing varying tones stepped from black to white.
† Bitmap in this instance refers to a color mode, not to bmp files, which are unacceptable for print reproduction.
‡ RGB (red, green, and blue) All color figures submitted for print must be in this color mode. Your figures will be converted to CMYK
nn(cyan, magenta, yellow, and black) for print publication and a significant color shift may occur.
at 300 dpi
at 72 dpi
Problems with Improper Resolution
Figures downloaded from the Internet are not acceptable for print
publication because the resolution is too low (usually 72 dpi). In the
example on the right, panel A shows a graphic downloaded from
the web and the resulting distortion if it were to appear in print.
Panel B shows the same figure at 300 dpi, the correct resolution for
print. Although 3