I figured that with the high algae content in the Repashy Soilent Green food, Clover might become a little more yellow. And he did! I prefer him to be a nice clean, brilliant white color, but I don't dislike the yellow enough to stop using this gel food. Here's the before and after, so you can see for yourself the difference!
Bright and clean white before Soilent Green:
Fins and head becoming more yellow after Soilent Green: