Colors are shown as "Team 1" first "Team 2" second, if there are variations per team. All beams are the same size and screenshots are taken from the same distance and viewing angle.
Brigitte Flail Chain Beam
Echo Focusing Beam
Junkrat Trap Chain Beam
Mercy Heal Beam
Mercy Boost Beam
Moira Orb Heal Beam
Moira Orb Damage Beam
Moira Grasp Connected Beam
Moira Coalescence Beam
Orisa Halt Tendril Beam
Symmetra Projector Beam
Symmetra Turret Beam
Torbjörn Turret Sight Beam
Winston Tesla Cannon Beam
Zarya Particle Beam