1. A pixel comprising: a single pixel luminance filter positioned over the pixel, the single pixel luminance filter comprising a plurality of colors, wherein the size of each of the colors of the single pixel luminance filter is proportional to a share of the associated color of the single pixel luminance filter that is used to calculate a luminance value for the pixel, wherein the luminance value for the pixel is determined using only filtered electromagnetic radiation received by a single image sensor through the single pixel luminance filter, and wherein the plurality of colors include red, green and blue, and wherein the green filter comprises 70% of the single pixel luminance filter, the red filter comprises 20% of the single pixel luminance filter and the blue filter comprises 10% of the single pixel luminance filter.