Abstract: “Color vision deficiency is an inability that the person could not realize the differences between some colors. This inability causes person not to read some writings, to see some of signs as in Ishihara Test. In this study to provide them to read that numbers, a method as shifting colors was applied on some Ishihara Plate images. JPEG format images are read and colors are shifted in different ratios in HSV color space. Consequently, color deficient person is able to read the numbers on the plates that the shifting method was applied. Images are tested with 3 different red – green color deficient people and results are declared.”

Keywords: Color Blindness, Color Vision Deficiency, Image Processing, Shifting Colors