You will need
- Paint yellow and green color.
When working with gouache or watercolor you need to prepare small washed clean a container in which is placed the resulting color. Prepare a wooden or plastic stick – for uniform mixing of colors (mix and brush, but greener shades are obtained by using wooden sticks). Read the table of preparation of the scheme (type the appropriate query in the search engine of the Internet and open any displayed link), according to which you will need to get olive to mix yellow and green.
In the prepared capacity carefully place the paint green. Stir well with her little wand. Then small portions add yellow paint, carefully mixing the paint. Try to achieve color uniformity of colour. Follow this algorithm until you get the desired color.
To use this principle not only in drawing but also in painting. Oil, emulsion and latex paint are mixed is not worse than watercolors or gouache. Select the capacity corresponding to a volume of the surface you are going to paint, pour the green paint and just as gradually add yellow to it, stirring carefully until you get the olive color!