Rainbow drawing paper

Are use is rainbow drawing paper as my inspiration for this project when you take a stick and you right or angry whatever you want on this paper it will come out rainbow or metallic I achieve this in my cold just clicking the mouse and trying whatever you want. https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Feditor.p5js.org%2FTatianna22%2Fsketches%2FaSxYOYDFt&data=04%7C01%7Ctfinney%40oldwestbury.edu%7C17666a0c631849a3b3a108d9c4be67d3%7Cf5089034f2334f12a71638b7f4904370%7C0%7C0%7C637757144326106952%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=kRuBmFBhaG1ss4AvIP%2Fbxsv%2BeHISfpYvRYM3iHKNGK8%3D&reserved=0