Some colors are more transparent than others. Some colors are very opaque. Test your colors on a separate piece of paper to see how they work together. Too many layers of crayon can make the colors resist each other. This can make it harder to add more color. Use as few colors as possible to get your end result.
Coloring Books For Adults Can Help You De_Stress. It turns out that adult coloring books can be used as something other than an ironic gift from Urban Outfitters. In Europe, more people are using coloring books to reduce stress _ so excuse us while we go find where we put our crayons. No, seriously. Contrary to what some may think, coloring is not just for kids.