Ultimate Firework

Put this command in a impulse (orange) command block un-conditional and needs redstone.

/give @a[type=Player] minecraft:fireworks 16 0 {display:{Name:"Ultimate Firework",Lore:["An awesome multicolored explosion"]},Fireworks:{Flight:2,Explosions:[{Type:4,Flicker:1,Colors:[I;16711680],FadeColors:[I;16746496]},{Type:2,Flicker:1,Colors:[I;16746496],FadeColors:[I;16776960]},{Type:4,Flicker:1,Colors:[I;16776960],FadeColors:[I;65280]},{Type:2,Flicker:1,Colors:[I;65280],FadeColors:[I;65535]},{Type:4,Flicker:1,Colors:[I;65535],FadeColors:[I;255]},{Type:2,Flicker:1,Colors:[I;255],FadeColors:[I;16711935]},{Type:4,Flicker:1,Colors:[I;16711935],FadeColors:[I;16711680]}]}}

The Awesomeness all in one firework. Fireworks have never been this cool.

Lots o' stuff

Boom!