Ok if the parents are violetgreen male with blue female then your hen is violetgreen/blue. ( / = split to).
If my calculations are correct

:
cinnamon blue male paired with violetgreen/blue female will produce:
Male:
25% green/blue/cinnamon
25% violetblue/cinnamon
25% blue/cinnamon
25% violetgreen/blue/cinnamon
Female:
25% cinnamon violetblue
25% cinnamon green/blue
25% cinnamon violetgreen/blue
25% cinnamon blue
Therefore visually you will have green, violet (violetblue), blue and violetgreen males and cinnamon violet, cinnamon green, cinnamon violetgreen and cinnamon blue females.
Now it gets kinda complicated . . .
If the parents of your hen are violetgreen male paired with a violet female, your hen could either be a violetgreen(DF)/blue or violetgreen/blue. If she is violetgreen/blue the babies will be the same as the first pairing above:
cinnamon blue male paired with a violetgreen(DF)/blue female will produce:
Male:
50% violetblue/cinnamon
50% violetgreen/blue/cinnamon
Female:
50% cinnamon violetgreen/blue
50% cinnamon violetblue
Therefore visually you will have violet (violetblue) and violetgreen males and cinnamon violetgreen and cinnamon violet females.