There's even more going on here. In order to enter the full suffrage category (what you have colored blue), it had to be passed by the legislature and then by (all-male) statewide referendum. In this time, the legislatures were generally more supportive of giving women the vote than the male general public. This article has a map of where (all-male) women's suffrage referendum votes were held and the result:
https://ballotpedia.org/State_women%27s_suffrage_ballot_measuresAs you can see, 30 of the 48 legislatures voted to extend the vote to women, but it passed the all-male referendum only half the time. In almost the entire Northeast, it was supported by the legislatures but failed the referendum.
However, there were intermediate steps the legislatures could take on their own without amending the state constitution, and many did. Based on a version of the independent state legislature doctrine, state legislatures could unilaterally give women the vote in presidential elections, regardless of what the state constitution said. And many did, starting with Illinois in 1916. In Texas and Arkansas, the legislature gave women the right to vote in primary elections, which were considered more important than the general election by many in the South at the time. Primary election rules could be altered by regular state laws without amending the state constitution.
Here is a map that includes the intermediate steps. Interestingly, it also skews very East/West: