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Green, yellow and brown shaded larvae (caterpillars) with small green/blue/white line of spots along each side. After searching photos on line I think they are most probably a variety of Hawk Moth, maybe White-Brow Hawk Moths. I am not sure they all belong to the same type of Hawk Moth due to the variety of colourings.
Eating grape leaves on grape vine growing in suburban yard. Posititon has morning shade, midday sunshine and late afternoon shade. Living in a subtropical climate.
Lots of recent rain after long drought conditions.
I have moved this to the Arthropods section for you. Please update your beautiful spotting with the ID if you agree (I do think it looks like the species suggested above). :-)