The Hitech 4 x 4-inch Filter Kit 1 is with 3 colors. They are Sunset, Blue, Twilight. Sunset filter, density 2: The Sunset Color graduated filter is a multi-Color filter blending red-orange-yellow. Designed to give a dramatic sunset effect. Blue filter, density 2: The Blue Color graduated filter creates a realistic cooling blue effect.
Twilight filter, density 2: The Twilight Color graduated filter is a combined filter graduated from darkish blue at the top to a pink horizon. It provides a cool image ideally suited to creating a late afternoon/early evening twilight effect.