Our design team suggest you use Grout colour 32 Peach Beige to compliment the amber shade of the tile or colour 44 Greige to highlight the shape of the tile in a subtle lighter shade.
Recommended Grout Joints - (We have assumed that your substrate has a perfectly flat and plumb surface, please check with your tiler.)
3mm grout joint. Based on this joint size, 1 bag of grout would cover 9.5m².