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Coloring Methods of Characters for Presentation Slides

The colors of characters suitable to presentation slides were proposed. Here, five color combinations were proposed. A combination has three colors of base, main, and accent colors. The base color is for the background. The color white is used as the base color. The main color is for the part becoming the frame. The accent one is for the place where we want to emphasize. This paper proposes two methods of coloring characters in slides according to the combinations of colors good for the presentation slides. These are the methods using TF-IDF, and Words in Conclusion and Textbox (WCT). A series of slides is tried to be colored by using these methods. It is shown that the WCT method is better than the TF-IDF method.