They’ve already done that color.
Legislatures usually prohibit the wearing of any kind of badge or cap or sign, other than a US flag lapel pin, because otherwise legislative sessions would become more of a circus than they already are.
Is an exception made for the SOTU?
If so, can opponents of abortion dress in red to symbolize the lost children?
Yes, they have. And they will get hammered (hammemered?) with the same meme’s as last time.
A juxtaposition of them in a group photo beside an old photo of a klan rally. Likely some of those will be revived.