The entire city is resplendent with wreaths, garlands, fir trees, red-&-gold ribbons, red-&-gold ornaments, red-&-gold bows, white lights, glitz and glitter and sparkle, but mostly very tasteful.
I don't know what the city looks like at Mardi Gras (OK, I'm looking at pictures online, and that's a whole other story!), but right now that color scheme of green, red, and gold, sparkling with white lights, really creates a visual continuity everywhere.
It also enhances every otherwise plain surface: garlands and greens etc. are on nearly every doorway, light fixture, lamppost, archway, balcony and so forth all over the place.
The restaurant where we ate lunch yesterday (Deanie's, which I highly recommend for glorified Cajun-touched pub food) was resplendent with Christmas decorations, and would otherwise have been rather plain.
And the jazz musicians scattered along the streets mostly play Christmas carols, too, which is sweet.
So if you can't be here for Mardi Gras, try to come at Christmastime.
And did I mention it's 70 degrees?