So many people picture the angel’s wings to be different and for Castiel, a lot of people picture them black w/ a darker blue tint. What if, all the angels wings were originally white and they get their colour with age (by a young-ish age the colour changing stops?). Which is where their wings gain colour. Well maybe Castiels wings were just a really pretty plain blue but when he went to rise Dean from perdition, it singed the colour, burning them and turning them dark, but still having the original blue hue in the feathers but them also turning black. I really like to think that this is how his wings got to be that colour.
Found this photo on Pinterest. And was like.. huh 🤔











