Can you make the color black on LED lights?
Not with LEDs. You can only make whatever color that is in the color wheel. That is to say only what you can get when you mix red or blue light, or blue with green. The problem here is that you don’t have black, which is what you really need if you‘re aspiring to represent all colors.
What are the DIY buttons on LED remote?
The principle of DIY is ： Red (Red), Green (Green), Blue (Blue) three primary colors of light in different proportion, to produce a variety of colours. Firstly, please press“R” (or ‘G’/ “B”) button on the remote. Let the color change to its original state.