Not my best work, but meh. Time pressure.
Written for the NeonClan Weekly Tumblr Contest :-) Prompt: Imagine your OTP as a magical fairy couple. Wings that are complimentary colors, and abilities that balance each other out, and voices that harmonize to create a perfect melody. ~otpisms
Star-crossed lovers. That's what Katniss and Peeta were going to be presented as. Therefore, they must appear to be soulmates.
Haymitch had insisted on it, otherwise it wouldn't be believable at all. None of the Capitol fairies would buy into their madly-in-love story, therefore no sponsors and gifts.
Only fairies in the Capitol could see the wings. Had to do with the atmosphere or something weird like that. Just yet another reminder to the Districts that the Capitol is so much better.
Of course, it's not like wing and vocal alterations were uncommon at all in the Capitol. Everybody wanted to look like they had found their soulmate. Everybody wanted to find their match, but most of the time it couldn't be done. So, the Capitol and the wealthier Districts retreated to using alterations. Finding your soulmate equals you're happy and well-off. And... it often made couples who didn't match wings and voices believe they truly were soulmates.
Cinna and Portia waited together just outside the door where Octavia, Flavius, and Venia were busy prepping Katniss, and Peeta's prep team beautifying him.
They expected to just work on one of the tributes' wings; to make them match the other naturally. Most likely Peeta, Katniss was pretty stunning in the first place.
Cinna had also come up with an alternate plan of painting both of their wings to make it look like they were on fire for the chariot ride. Coal was the byproduct of District 12. And coal burns.
The doors opened simultaneously, and Katniss and Peeta both stepped outside to a sudden gasp from Portia. Cinna started to open his mouth to exclaim something.
"Who would have thought, your wings are already matching!"