Apparently that wasn't a gaffe. It was a ref to Dem Socialists - who inexplicably chose 1 of the only 3 colors already taken despite being founded in 1982.
1/
From a marketing and branding perspective, that's some royally dumb sh**.
Seriously, ya had everything but red, blue and green on the table.
Ya pick the Repub color? That's. Not. Smart.
That's a visual identity "WTF?"