Modern techniques for coloring old films can enhance aesthetic values, but only on the condition that they are employed professionally and carefully, because they enable giving new dimensions to the film and increasing its appeal.
I believe that coloring increases the beauty of old films, because it shows what colors were hidden in that time period, whether at the level of the staff, decoration, clothing, etc., which contributes to increasing the beauty of the image. This does not mean that the image in old films is devoid of beauty. Each image has its own aesthetic