Burnt green, and blue, and white.

from Samuel Taylor Coleridge – Rime Of The Ancient Mariner on Rap Genius

Meaning

Phosphorescence, light generated by some marine organisms:

Of course, to the guilt-ridden mariner, it might look more like this:

To help improve the meaning of these lyrics, visit “Rime Of The Ancient Mariner” by Samuel Taylor Coleridge and leave a comment on the lyrics box