1. An electronic device that is exposed to ambient light that has an ambient light color, comprising: a color sensing ambient light sensor that detects the ambient light and that produces a corresponding sensor output signal; and control circuitry that determines a color converting matrix based on the detected ambient light and that converts the sensor output signal from a device-dependent color space to a device-independent color space using the color converting matrix to obtain an ambient light color value indicative of the ambient light color.