How old are the birds? Are you sure of their genders?
If per other common names;
Golden Olive = GreyGreen Cinnamon
Skyblue = Blue Cinnamon
And assuming no other splits...
GreyGreen Cinnamon cock x Blue Cinnamon hen
=50% GreyGreen Cinnamon/Blue cocks and hens
=50% Green Cinnamon/Blue cocks and hens
But a lot of GreyGreens are split to Blue... so assuming it is indeed;
GreyGreen Cinnamon/Blue cock x Blue Cinnamon hen
=25% Blue Cinnamon (Skyblue) cocks and hens
=25% Grey Cinnamon (Silver) cocks and hens
=25% GreyGreen Cinnamon (Golden Olive) cocks and hens
=25% Green Cinnamon (Isabel) cocks and hens
** a much better outcome
Hope that helps