I used the transparent paints to create my yellow green/red purple complements. I find I am getting better at blending the colors using some water. My chromatic grays are not very distinct but I did manage to get a green and purple cast. I made two versions for collage #2. 2A: muted background with small squares of pure hues pasted on top. 2B: I cut the pieces so a little of the pure hue was visible. I like this version the best. I did a set of papers using opaque Orange and Blue paints. I hope to do these exercises again using this set of complements but I suspect the lack of watercolor effect will make them less interesting. Worth trying.