Cem,
Your composition is well balanced. I like the inclusion of the black drain pipe in the lower left. I good photograph worth keeping! Also it happens to have excellent freedom from distortion of the architectural lines. Only the yellow appears to be a primary color. The set works so well together, but the yellow seems stronger.
This is immediately attention getting. Is it for apartments or what? If it's an hotel, then it makes sense as such colors attract attention but one does not have to come home to them every single say once they have worn their welcome. For a hotel, one certainly will notice the place and cabs will have no problem in finding us!
I'm always fascinate by the fate of such boldly unsubtle colors in modern architecture. In posh places, the rents are very high. In poorer areas, very quickly it's grime-covered, (how the dirt knows where to settle is a puzzle), but the fate of the same looking buildings are very different in the two locations.
Asher