https://scratch.mit.edu/projects/1335547112/ for custom images a colour that is not recognised is the colour before it dont try to add new colours.... trust me its a pain space for new image a to save b to load
Update Log: V1.00: have grey, black and white V1.00-1: Added Red, Yellow, Green And Blue V1.00-2: Added Magenta, Cyan, Lime and Orange V1.00-3: Added Brown, Teal, Baby Blue, Purple and pink