Direction signs are green with white lettering. They give road names, destinations along a route and distances, and route markers help you stay on the right road.
Read more: road signs: types, colours and meanings..
Signs in this group

Route number change signs 
Guidance markers 
Reassurance marker signs Over dimensional route markers Low load limited bridge ahead Detour for heavy vehicles 
Alternative route signs 
Alternative sign for buses and trucks 
Reassurance direction sign 
National highway route markers 
National route marker 
State route markers
Quick answers
What colour are direction signs in Victoria?
Green with white lettering.
Based on the Victorian Road to Solo Driving handbook and the VicRoads learner and probationary pages. Rules change from time to time, so check vicroads.vic.gov.au for the latest.
DKT