When I am having an object of any size (in this case it will be 300px x 300 px), I need a tool like a brush. For example, I want first pixel on the top left to be black, second pixel on the top left - ...
How many colours at once can one pixel contain? Is there a tool that can represent this pixel in a form of HTML colour codes? (And if there are many colours in this pixel, can this tool show the ...