I'm not understanding the exercise/challenge, but I'm pretty sure there are more colors than just black, blue and yellow. On my monitor, I see green and red, in varying shades turning to orange in some places. What colors of the acrylic paint did you use? Oh. As I'm reading this again, I'm thinking that your challenge was to try to harmonize colors without seeing them? Is that the challenge?
I did a search on colorblindness and art to see how other people who are colorblind do art. I didn't find anything that caught my attention, but I found this article that I thought was interesting. A Cure for Colorblindess If there was a cure, would you take it?
Chuck Close is colorblind. http://chuckclose.com Actually he has face blindness. Never mind.
wait so he paints faces. can he distinguish his paintings?
hello tacocat how are you doing also holy crap https://en.wikipedia.org/wiki/Prosopagnosia