Idealized dancer's casaque inside is not colorable?

I'm just submitting this report to show how the inside of Idealized dancer's casque not colorable cause

the front inside is black, but the back one is not, a bit distracting...

Date & Time: 5th august 2024
Frequency: -
World name: Cactuar
Character name: Shivani Daro
Retainer name: -
NPC name: -
Monster name: -
Class/Level: 89 dancer
Party or solo: -
In-game time: 11:50 am
Area and coordinates: -
Housing: -
Steps: -
1. -
2. -
3. -
*Add more steps if necessary

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https://i.imgur.com/1khGrG2.png
https://i.imgur.com/hFEYdKb.png

my first time submitting a bug and since it's a texture and not a huge bug I hope only posting here is fine

PS: just saw another dancer a viera with a blue color, but the inside also still pink so it's not just on my end.