Ok, I just bought a new budgie yesterday. I named him Buster. I knew he had a special color but when I looked closer today he had more "special" then I thought. I was just looking at this article on the internet.
And I saw that my budgie didn't exactly match these colors/genes. I'm still a noob with budgie genes and color combos, so I was hoping someone could help identify him for me. He looks mostly faded gray with what looks like cobalt-mauve blue to me. Possibly a hint of skyblue too. But that's not all. He has a few faint yellow feathers on top of his head and to my big suprise violet colored cheek patches!
I'm going to post photos as soon as I can. Photobucket is being a little pain in the rear at the moment.
he is a greywing, which dilutes the body colour so it will look a bit different from on a normal anyway. i think he is a greywing skyblue, though it looks a little bit like it may have violet in there.... it is really ahrd to tell violet in photos though.
if he has yellow feathers on his head he is probably and yellow face type 1 too.
It is likely the diluting combination of opaline and greywing acting on the cobalt that are producing this colour + the violet 'tinge'. Cobalts often have violet flushing around the neck but this does not indicate violet - 'hidden' or otherwise.
Both opaline and greywing are dilutive, which explains the lovely light pastel shade to what would normally be a nice cobalt colour. If it was sky blue I imagine it would be much paler.