Just after sunrise the light was still warm and yellow-orange, but the sky was already blue with just a bit of color haze over the horizon. You can tell it is still cold by the condensation on the side of the building (that is what the patches are).
The lines of the cranes and the building make an interesting composition and the warm light goes well with the yellow metal of the cranes which in turn contrast nicely with the desaturated gray of the building.