The number of colors will be under "Bit Depth" (usually 8, 16, or 24 - if the depth is 8, that means it's 2^8, or 256 colors). <BR><BR>Most image viewers will show the bit depth as well.

Actually, HDMI can support in YCbCr mode both 10-bit and 12-bit signals, altough YCbCr signals must always be - per spec - limited range (16-235 in case of 8-bit, 64-940 for 10-bit and 256-3760 ...

The Pixelmator Team has issued Pixelmator Pro 3.2.3, introducing the machine learning-powered Deband feature for removing color banding and compression artifacts in images. You’ll get the best ...