rs is read gs is green and bs is blue (duh) this is usefull for skin customizations, color tinting, etc use it for your own benefits
i used this to check for errors : https://www.rapidtables.com/convert/color/rgb-to-hsv.html and this is where i got the formula to convert rgb to hsv (color, saturation, brightness) : https://www.geeksforgeeks.org/program-change-rgb-color-model-hsv-color-model/