The crucial development of RGB backlit TVs is that the backlight behind the pixels can now show a wide range of colors, ...

See YUV and color space conversion. From RGB to YUV Y = 0.299R + 0.587G + 0.114B U = 0.492 (B-Y) V = 0.877 (R-Y) It can also be represented as: Y = 0.299R + 0.587G + 0.114B U = -0.147R - 0.289G ...

If you know the red, green, and blue components of the light that correspond to maximum reflectance, then you know the color of the object. Their sensor uses a four-lead RGB LED, but we suppose a ...