I finally finished Gundam 1/100 MG GAT-X102 Duel Assault Shroud Resin kit. I painted almost exactly the same color as in the picture ( Nazca nc-006, Tamiya x4, Gaia neutral gray 1,2,3) :
Kidou Senshi Gundam SEED - GAT-X102 Duel Gundam - GAT-X102 Duel Gundam - Solaris Japan
GAT-X102 Duel Gundam [Custom Color] by Chaos217 on DeviantArt