Urgent a feather on my conure has changed colour. should i be worried?

[fuwa]

hello! im the owner of a 5 month old sun conure. today i noticed one of his tailfeathers has lightened from blue to a very light yellow. obviously, im now anxious as hell

attaching a photo! could y’all please tell me whether this is something to be worried about?

 

[Shezbug]

Do you have other photos to compare this exact feather to?

 

[expressmailtome]

Sun conures begin changing color around 6 months of age, so it is most likely normal.