What are the colors that considered as tropical?

The warm side of the pallate are considered "tropical". These colors have a very high concentration of yellow in their makeup, such as "lime" green, citrus, and the Oranges. The reason is that these colors in nature are very reflective in the tropical sunshine. Even the "forest" green has an unusually high rate of yellow in it for painting purposes. These colors do NOT have much shading colors in them; they are vivid, true colors as opposed to pastels or hues. So! Red, yellow, orange and lime green are the basic tropical colors.