Rha is the color of personality and leadership. It represents the sum of your choices and their consequences on others, expressing who you are and what you stand for. In short, it describes how belief translates into action, and the difficult decisions made along the way.
With Sace, Rha represents love, hate, or other bonds of friendship or passion. It bridges the gap between anger and fire, or emotional intimacy and passions of the flesh.
With Ela, Rha helps define your character or personal style. Some believe that these are the base colors of the soul, or that they're the basis of one's social life and interactions.
With Dau, Rha includes the element of fire and the season of summer. Activities such as fishing, bonding, or wrestling that include the draw of Rha with the physicality of Dau are also associated with the colors.
Pfi and Jutu are the colors with the least associations with Rha. Logic and technology have little concern for your feelings. Rogues most often break with leaders, and so that role is generally in opposition to Rha (and Ela).
A fallen paladin or samurai might be a good example of a character based in Rha. They have strong personalities with Dau and Sace as supporting colors, and a conflict with Ela. Their struggle is how to align their beliefs and actions; once they were leaders, and they can be so again.
In the real world, Einstein might be a good example of a Rha+Pfi character that breaks convention without relying on Sace or Dau. A pop music star might have high Sace, but low Rha, as they remain popular but struggle to differentiate themselves. Hitler would arguably fit the classic mold, having high Rha, Dau, Ela, and Sace.
Rha maps most closely to the classic color Red:
Hex: FF0000
RGB: (255, 0, 0)
HSV: (0, 100, 100)
Other associations: