Books with a color palette that denotes seriousness and professionalism, with red, green and white tones and that is organized in a balanced and harmonious way with a subtle shading effect in the background to give it depth and dimension. modern and professional design attractive for adults interested in learning graphics. color palette that denotes seriousness and professionalism, such as blue, gray and white tones, accents in more vibrant colors to highlight graphics software on a computer screen. organized in a balanced and harmonious way. subtle shading effect to the background to give it depth and dimension.