padekit apie greyscale
)
prasau zmones, kas zinot tikslu apibrezima, kas yra greyscaleas 
aciu parasykit kuo greiciau
An image representation in which each pixel is represented by a single sample value representing overall luminance (on a scale from black to white). PNG also permits an alpha sample to be stored
for each pixel of a grayscale image.
A term for a black & white photographic scan file. Refers to the range of 256 grey tones that make up the image.
google rašai - define:grayscale