This paper aims to present three new methods for color detection and segmentation of road signs.  The images are taken by a digital camera mounted in a car.  The RGB images are converted into IHLS color space, and new methods are applied to extract the colors of the road signs under consideration. The methods are tested on hundreds of outdoor images in different light conditions, and they show high robustness. This project is part of the research taking place in Dalarna University / Sweden in the field of the ITS.