I print in PLA and PETG. Here is what each one is good for, and the colors on my shelf today. When a spool runs out, its color disappears until the new one arrives.
9 colors on the shelf
Stiff and precise with a clean finish. Ideal for figurines, decor and gifts. Keep it away from strong sun and heat above 50 °C.
2 colors on the shelf
Handles more impact, water and heat. For planters, functional parts and things that live outdoors.