1 opaline blue grey wing. I'm not sure bit there might be a violet factor in there.
2 (rainbow) opaline sky blue yellow face type two clearwing.
3 opaline sky blue might be greywing but can't really see
4 (rainbow) opaline blue yellow face type two clearwing.
5 Normal cobalt blue might have grey and or violet factor.
6 normal yellow face type 2 not sure of color might be blue of a green with a grey factor
7 opaline blue grey wing might have a grey factor
Not sure about the other two birds in this photo. I would need to see their wings.