Today's color display devices represent color using the __color model

Today's color display devices represent color using the RGB color model

Explanation:

"R - Red, G - Green, B - Blue". These are 3 basic colors which has formed the other trendy colors. We can represent the colors using numbers.

"R - 255, G-255 and B - 255". This value represents white.

"R-0, G-0, B-0 represents black".

All the other combination of numbers forms all the other colors in light and dark variations. You can find the number of colors by performing "permutation / combination". The value of RGB cannot be negative and it cannot exceed "255" also.

Technicolor model? not sure