Line changing colour with Observables

using Makie

 "'Time' - an Observable that controls the animation"
 t = Node(0)

 "The colour of the line"
 c = lift(t) do t
         RGBf0(t/255, (255 - t)/255, 0)
     end

 scene = lines(rand(10); linewidth=10, color = c)

 record(scene, "output.mp4", 1:255; framerate = 60) do i
     t[] = i # update `t`'s value
end