Pads design drawing colors

Quick answer：

Pads design drawing colors refer to the color schemes used in printed circuit board (PCB) design software, such as Altium Designer or Eagle. These colors help to differentiate different elements on the PCB layout, such as copper traces, vias, and components. Common color codes include red for copper, green for ground, blue for power, and yellow for planes. Proper color usage is essential for readability and troubleshooting.