Updated to include the Indiana poll in the post above.
For support and legality of same-sex marriage.
White -- same-sex marriage legal or has at the least been enacted. No further distinction.
Green -- same-sex marriage not legal, but more popular than unpopular
65% or higher -- deep green (90% saturation)
60.0 - 64.9% -- dark green (70% saturation)
55.0 - 59.9% -- medium green (50% saturation)
50.0 - 54.6% -- light green (30% saturation)
below 50% but positive -- aqua (20% saturation)
tie -- yellow
above 45.0% but negative -- hot pink (30% saturation)
40.0 - 44.9% -- medium red (50% saturation)
35.0 - 39.9% -- red (60% saturation)
30.0 - 34.9% -- maroon (70% saturation)
under 30% -- deep red (90% saturation)
Have you factored in the recent Georgia poll on SSM? You can find the details on the georgia megathread in the gubernatorial/statewide elections page.