Complimentary and Double Complimentary

 Complimentary colour combination.  Opposites on the colour wheel.

Double Complimentary.  Two colours next to each other and their opposites on the colour wheel.   This one is still in progress.

[this page was created in my Moleskine watercolour field journal using Faber Castell Albrecht Durer watercolour pencils, micron pen 005 and a waterbrush.]