#r2

Anakin wanted them to match R2

Rex picked it, because blue is his favorite color

The color was randomly assigned but Anakin claims it was the Force liking R2

Yoda picked it because he knew Anakin would be assigned Ahsoka, so. Montrals.

Obi-Wan assigned the color and knew Anakin would love to match R2

Padme picked it when the Senate assigned colors... because of R2

Palpatine picked it? To appeal to Anakin. Qbout R2

501st was supposed to be Alpha-17s, and all the paint was ordered before Jabiim

R2 picked it by slicing the system

R2 picked it by trundling up to Obi-Wan's console and doing it in his face

Cody picked it because it's Rex's favorite color

Other? tell me in the tags