Options on how to use this colour picker: 1. Using hex - Copy and paste a hex colour code from a website and press the button on the top right corner to be asked of the hex code. Enter the hex code and then press enter key or the tick button and the program will calculate the RGB. 2. Using the RGB sliders. - You can set the colours and play around with it and change the colour by either pressing the button on the bottom left when your done or turn the switch on to make colour changing quicker.
I made this using hacked blocks (in pen) Credits to a person who made the vector switches ( I do not know who, but please comment if you made them).