changing colors as a decorative background

Background, Blue, Technology, Design, Abstract, Illustration, Science, Light, Red, Neon, Flash, Glowing, Bright, Electric, Energy, Texture, Black, Glass, Isolated, Color, Laser, Glow, Purple, Lamp, Ray, Burst, Magic, Plasma, Physics, Lightning, Power, Electricity, Colors, Ball, Beam, Sphere, Orb, Spark, Atom, Voltage, Beams, Lightningbolt, Sparksfire