Heavy and Energy ammo can be hard to tell apart, consider changing the colour?

Light and Shotgun ammo both have very distinct colours that are easy to identify at a glance, but Heavy and Energy ammo's colours are very similar, and it can be hard to identify which I'm looking at from a distance.

If one of them had a more distinct colour, such as purple/magenta, it could be a lot easier to identify ammo types at a glance.