:URL
protanopia (red/green color blindness; no red cones)deutanopia (red/green color blindness; no green cones)tritanopia (blue/yellow color blindness; no blue cones)grayscale/achromatopsia (quick check for all forms of colorblindness)atypical achromatopsia (low cone function; cone monochromat)protanomaly (anomalous red cones)deutanomaly (anomalous green cones)tritanomaly (anomalous blue cones)coverage test in black (highlight filter limitations)coverage test in white (highlight filter limitations)coverage test in gray (highlight filter limitations):The way