18 for - If your document has text in it, the rules. You’ll start to see a world of in your documents, whether they be reports, brochures, or even your résumé. These rules for using text apply across the board.
Complementary (also known as supplementary or contrasting) colors are colors that sit opposite of each other on the Itten color circle. The combination of such colors creates a vivid and energizing effect, especially at maximum saturation.