This piece shows emphasis. The one red tree is the main focal point and center of interest. It is the same as all the other trees except that it's red. It's the dominant tree. Your attention is immediately drawn to the red tree.
[Drawing tutorial] cockscomb (Hong Sahua) painting - illustration homes - homes of original watercolor illustration illustrator - illustration of white homes [fast-paced world - Fourth Series] illustration homes, cure flora small fresh