What is the opinion of Reddit about the
Black White Cherry Profile PBT Double Shot 104 108 Top Print Shine Through Translucent Backlit keycap Suitable for MX Mechanical Keyboard (Only Keycap) (White)?

You may be looking for “White Shinethrough” keycaps. They have a transparent legend which would allow RGB to shine through them (if available on your board). Example: https://www.amazon.com/dp/B07L3K5BJC/ref=cm_sw_r_cp_api_glt_fabc_R8AJK4R0P2EJ61CVK488

Most shinethrough is OEM because it’s all cheap, but it looks like they exist: https://www.amazon.com/Profile-Translucent-Suitable-Mechanical-Keyboard/dp/B07L3K5BJC

https://www.amazon.com/Profile-Translucent-Suitable-Mechanical-Keyboard/dp/B07L3K5BJC

https://www.amazon.com/Profile-Translucent-Suitable-Mechanical-Keyboard/dp/B07L3K5BJC

https://www.amazon.com/Profile-Through-Translucent-Mechanical-Keyboard/dp/B07L3K5BJC