Because there are so many great fighting games to play on the PC, you really need to check out the fightsticks that are compatible with it.
The Glyph is a modular all-button controller that is available in layouts for games from Smash to Street Fighter.
The Neobox Core0 is a slim acrylic all-button controller that is here in order to serve your need for RGB LEDs.
The G series of Haute42 controllers can come in 16, 13, or 12 button editions in order to cater to your needs.
Donte Wilson is your guy if you are looking for stickless wooden controllers that have stylish button LED.
The MakeStick Pro Crystal Edition is a transparent custom case that can also be colored, and custom art is an option as well.
The RaidenBox is a mini all-button controller that is made of acrylic & nylon and is inspired by the Flatbox & Snack Box Micro.
The PXN-008 is a sibling of the PXN-X8. It is made of ABS for the purposes of durability and being waterproof & resistant to fading.
The Steelbox is a mini stickless controller that has 14 buttons and switches, with the jump button being bigger than the rest.