I tried, okay?

Bellhaven (ToG anyone?) is mostly sunny and is known for its beautiful beaches and exotic wildlife. It has good relations with Kasida and Arvonia, but not with Sapient. Its colors are yellow and purple.

Arvonia is a little colder than Bellhaven, known for its fertile land, rivers, and forests. It has good relations with Kasida and Bellhaven, but not with Sapient. Its colors are red and white.

Sapient is the northernmost kingdom, known for its snow-capped mountain ranges. It has good relations with Kasida, but not with Bellhaven and Arvonia. Its colors are green and black.

Kasida is the secluded island kingdom off the coast of Bellhaven known for its colorful plantlife. It has good relations with all the kingdoms and tries its best to stay neutral. Its colors are blue and silver.