A vertical blind assembly including at least one vertical blind panel, the at least one vertical blind panel including a plurality of partially opaque louvers, and a plurality of sheer transparent or translucent spacers. Each of the plurality of spacers is disposed between a respective pair of the plurality of partially opaque louvers. A substantially opaque auxiliary louver is disposed behind each one of the plurality of partially opaque louvers. A frangible hinge is disposed between each partially opaque louver and an adjacent spacer. A louver hook is attached to a top edge portion of each partially opaque louver, wherein each louver hook hooks over a top edge of a corresponding auxiliary louver.