the opening scene for sin city includes only two main colors in its credits. this is red and black, this could symbolize that there is
dark and gloomy content in this film, the red also suggests that
there
will be blood in the film. the opening scene is a shot of a
city at night, the lights from the city then turn to red to match
the color scheme and introduces the 'sin city' title. there are
cartoons
used in the credit sequence this is to maintain a traditional
story line, and it's graphic novel roots and look like the credits.
the last
shot is a more simple shot of the directors name, this shows the
importance of this role upon the film.