RGB can do white but its not always a good white, more bluishRGB can also do white. I have this:https://www.amazon.co.uk/gp/product/B093KD3T3B/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
RGB can do white but its not always a good white, more bluish
I could get a RGBW, but im just thinking would RGB just be a novelty
what LEDs are you using ?If you have mixing then adjust it, reduce blue. Mine are RGB led but can adjust each individually and in total brightness.