Move around with the arrow keys; use the sliders to change the color using the RGB scale.
Thank you @Jack_the_Crafter for the inspiration, check out his project next: https://scratch.mit.edu/projects/1280495802/ Here are some colors: Red: R = 255, G = 0, B = 0 Orange: R = 255, G = 127, B = 0 Yellow: R = 255, G = 255, B = 0 Light Green: R = 127, G = 255, B = 0 Green: R = 0, G = 255, B = 0 Light Blue: R = 0, G = 127, B = 255 Dark Blue: R = 0, G = 0, B = 255 Purple: R = 127, G = 0, B = 255 Magenta: R = 255, G = 0, B = 255 White: R = 255, G = 255, B = 255