A method for manufacturing a color filter is provided. The method includes following steps. A substrate is provided. A first filter layer is formed on a first part of a first region and a first part of a second region of the substrate. A second filter layer is formed on a second part of the second region. A third filter layer is formed on a second part of the first region and a third part of the second region. When a white beam is projected on the color filter, the first region and the second region reflect a plurality of color beams. A color filter manufactured through the method is also provided.