Using colored gumpaste might seem like a fast way to get to the final product without having to dust color onto it. But solid colored gumpaste can look flat, so dusting it helps to give it some depth.
It's a subtle difference, but here are some acorns with some green dusted on the green nut part:
See how the ones on the left look a little more dimensional?
And here are some pumpkins with a little green dusted onto the orange:
The green deepens the orange a little without being dramatic. It's subtle, but it makes a difference.
So try dusting a little even if the object is a color to start. It helps add a little realism to the item.
Kara Buntin owns A Cake To Remember LLC, online cake supplies at www.acaketoremember.com and www.acaketoremember.etsy.com