Fireworks

When summon a firewirk with a specific color the firework only adopt de black color

here is the command with i summoned the firework:
/summon fireworks_rocket 590 16 -251 {LifeTime:20,Motion:[59.00,1.60,-25.30],FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:1,Flicker:0,Trail:0,Colors:[14121215,16777215],FadeColors:[16777215]}]}}}}