I agree with G'maKay.

I'd use a small red border & then the black. To me it looks richer than the yellow.

Yellow.........if you had true red I would say red. Hubby use to be volunteer FF. Love the fabric.

Yes! I think that would look great.

That would be my choice too

Yes blue is on one of the pics

yellow then red

I think red and yellow look great. You could do a thin yellow border than a wider red one.

i ould do yellow and then red

small yellow, then a larger red. I think you've got too much black already.