Create your own Red and Black
V, 31, 30 bytes

&#22;êuòIRed - &#27;
IBlack - &#27;
òñFRdH


Try it online!

Hexdump:

00000000: 16ea 75f2 4952 6564 202d 201b 0a49 426c  ..u.IRed - ..IBl
00000010: 6163 6b20 2d20 1b0a f2f1 4652 6448       ack - ....FRdH


This is trivial in V, but the edge case of odd inputs makes it tricky because V doesn't really have conditionals. Thankfully, we can handle this at the relatively small cost of +6 bytes.