Slide design is not a competition where slides with maximum colors used will win. A human mind takes some time to identify and process the colors; therefore, simplify your slides and avoid multicolor text so that the audience pay attention to content and not to the colors. Use preferably one (or maximum two) colors for the text in a slide and use them consistently throughout your presentation. Also, pay attention to the background color and contrast; avoid multicolor background and make sure that foreground color of your slides is contrasting with slide’s background color.
The following set of tools detects this smell: SlideQ(for MS Powerpoint Presentation)
T. Sharma, “Presentation Smells: How Not to Prepare Your Conference Presentation”. 2016.
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