Standard proton pack, red cyclotron lenses. Here you can also see the addition lights in the gun mount that display the overheat level and player health.

Here in stasis mode, you can clearly see the cyclotron lights are blue. The ribs on the gearbox and powercells fold out to display additional blue lights.

Slime blower mode, the lights on the cyclotron are solid green. Additionally, a slime tank pops up from the booster tube

Meson Collider, the cyclotron lights are an orangey yellow colour. The EDA discs pop out to reveal two orange pulsing cylinders. The two ion arm rods move upwards and separate to create a Jacob’s ladder, you can see this on the top of the pack.