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.
Create a candy-cane inspired Christmas wreath by repurposing festive red and white striped straws; glue the straws in a circular pattern around a wreath form and continue to layer them until you cover the entire form.