I think it depends. I love that Six Degrees and The Color of Right are separated as single songs since they all are pretty different from each other. However, if your song is somewhat similar to ACOS then it probably works better as just 1 song.
That being said, if you are planning to release this song in streaming services you should consider dividing it purely for monetary reasons. 4 or 5 listens provide more income than just 1
I don't think I've heard of "The Color Of Right" other than the Rush song from Test For Echo, which is decidedly NOT an epic...🤔
-Marc.