That's correct. it's 6/8 bits per color. Note that an image that uses 6-bit color with an alpha channel will have 24 bits per pixel, which shouldn't be confus

That's correct. it's 6/8 bits per color. Note that an image that uses 6-bit color with an alpha channel will have 24 bits per pixel, which shouldn't be confused with the 32 bites per pixel of 8-bit color.