Interesting topic. v306 is a hard color to research...not many pictures...I know 'cause I looked everywhere. I thought long and hard about buying 2206 so I was really interested in how legit that color was.
I'm sure you've seen this stuff before but here's what I found:
I've found that v306 was referred to as Aqua Green Poly.
I assume you've seen this color chart before...Colors
Attached are the pix that I found:
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