There have been plenty of cool Joy-Con released since the Switch launched, including a range of neon colors and controllers inspired by popular franchises.
New Switch JoyCon Controller's Big Question And First Fire Emblem
eXtremeRate 7 Colors 9 Modes NS Joycon DFS LED Kit, Multi-Colors Luminated Black Classical Symbols ABXY Trigger Face Buttons for Nintendo Switch & Switch OLED Model Joy-Con - Joycon NOT Included
Joy-Con Left (Neon Blue) (Nintendo Switch)
Joy-Con Colors - Nintendo Switch Guide - IGN
Nintendo Switch Joy-Con Controllers - Left and Right - Neon Red/Neon Blue
Nintendo Switch with Gray Joy‑Con™ : : Video Games
Every Nintendo Switch Joy-Con Color Released So Far - GameSpot
Nintendo Switch Bundle Includes Splatoon 2 And New Joy-Con Colors
Joy-Con Colors - Nintendo Switch Guide - IGN
Every Nintendo Switch Joy-Con Color Released So Far - GameSpot