In the situation of no sun illumination there is information only in blue component. Also for lowest sun elevation colours become more and more bluish. Multiple channel image gives the best three dimensional impression from the cloud fields and gives more accurate details about the structure of cloud surface. Coldest clouds are seen bluish white. Middle level clouds are white or sometimes yellowish white.
Low clouds have yellow or yellowish white shades.
Small separate Cu cells arranged in streets have sand brown colour. Brightest area same as in the case of VIS 1, is seen bluish white. More white or yellowish white eastwards. Below in the right corner translucent, only partly cloudy or low clouds. The western edge of the brightest cloud area in the centre of the picture has broad dark blue shadow.