@Felthry personally I like white leds
@noiob @Siph oh! that's interesting.
Phosphorus the element is commonly used in other types of LEDs so i thought you might've meant that; InGaAlP, GaAlP, InGaP, all these weird III-V semiconductors are common in red, yellow, orange, and green LEDs but you have to move to InGaN, GaAlN, and other nitride semiconductors for blue, violet, and UV ones
-F
@noiob @Siph and of course any white LED has to contain blue light and you can't (efficiently, anyway) upconvert longer wavelengths to shorter, so you have to start with blue, violet, or UV in order to get white LEDs
-F