Dal Tiles were originally installed, but like all tile products, good luck finding a match. I've installed their tiles for years and have watched the colors change shade throughout.
Individual tiles can be removed by cutting the grout away, around the whole tile, then shattering it and prying out the pieces. Be sure to cut deep enough into the mortar bed that the adjacent tiles don't crack when demolishing the intended tile. A small grinder or Dremel tool works well for the cutting.
2003 Alpine 40FDTS (400HP)
Long Beach, CA