We got there 20 mins early and were still able to park right at the temple.
This is before the actual 'releasing'/throwing of colors
And this is after:
Here's a video about it. We were to the left of the people that were throwing their colors early. You can tell from our own video below.
Oh and traffic wasn't bad by the way. It was like maybe an extra 10 mins.
(releasing of colors around 1:45)