Artists and design experts know that triad colours work together in harmony. Triad colour scheme works by showing people the opposite colours on the wheel work together to make all the colours stand out.
Ingrid Sundberg, a writer and children's book illustrator, created a very useful infographic chart for anyone struggling with color names. The writer says that she loves to collect words that can help give her stories variety and depth.
Emotion Circumplex by Plutchik is mesmerizing. Plutchik first proposed his cone-shaped model or the wheel model in 1980 to describe how emotions were related. Read more about his theory of emotion over on Wikipedia.