VO claims their brown stitch-on elkhide grips are close to Brooks' brown.
http://www.velo-orange.com/elsebarco.html
They say the same about their tape.
http://www.velo-orange.com/volebartape.html
Otherwise, Brooks themselves have their own expensive brown tape.
http://www.brookssaddles.com/en/Shop...ather+Bar+Tape