The Red Harlequin Series Books 1 5

"Every society honors its live conformists and its dead troublemakers." In an ancient world divided by colors, where everyone wears masks, superstitions abound, and mysterious creatures called the Harlequins exist... Here, a clever teen of the Black Chromes named Asheva loses everything he's ever known and embarks on a treacherous and exciting journey that takes him through the wild forests of the Black Nation to the vast plains of Ayas, a Blue Chrome city of astounding beauty, where further danger lies. But the journey will also result in an astounding truth, when Asheva ultimately discovers that beneath the masks all Chromes wear, nothing is what it seems.