Given how busy the chip is from a design perspective, my concern with V1 was the need to tell them apart by colour. As I am partially red/green colour blind, I would have had issues with the v1 of the chips from across the table. I know I have multiple players in our games that have varying degrees of colour blindness, which is why I tend to lean towards vibrant colours. I cannot distinguish between subtle differences in colours, well, so light red / light green / grey all look exactly the same to me, as do shades of purple and blue. About 30% of the players in our games have issues with colours in various sets owned by hosts. I wasn't aware of how common it was.
I think v2 helps quite a bit. Still, if you haven't tried it yet, I would suggest loading your designs into a colour blindness simulator to see how they would appear to people with various degrees of colour blindness.
https://www.color-blindness.com/coblis-color-blindness-simulator/