A good generator automates this math and displays the 4-character hex string you need to paste into your ROM editor.
Brown overalls and red shirt (based on the original NES sprites). Sm64 Color Code Generator
Search for "SM64 Color Code Generator" on Google. The most common version is hosted on MrRean’s tools or archived on Romhacking.net . It’s a single HTML file, so you can even save it offline. Painting the Plumber: A Deep Dive into the