Answer:
A good logo is distinctive, appropriate, practical, graphic and simple in form, and it conveys the owner's intended message. ... A logo should be able to be printed at any size and, in most cases, be effective without color. A great logo essentially boils down to two things: great concept and great execution.
Tips:
Simple. Many of the most impactful and successful logos in history are surprisingly simple.
Relevant
Memorable
Timeless
Versatile
Hope this helped! :)