admin 2019-04-08

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I have noticed a lot of people getting confused by the difference between color correction and color grading. This includes myself when I first started getting more and more involved in independent films and independent filmmaking. Once I understood the difference, I started really paying attention to a films color scheme and variations in the color as the film progressed. I also started ensuring this was part of my toolkit in my own independent film making.

To sum up the difference, color correction is the act of modifying the color of footage to make everything match up. Color Grading is the act of modifying the scenes to have a certain color tone to convey an emotion, show changes, or to signify something special in some way.

Color Correction: As mentioned, color correction is modifying the color of footage to make everything match. The reason for this is due to many various factors. Most importantly is because films are shot over a span of many days/nights. Even one scene could be shot over the span of multiple days. As you can imagine, each day could look slightly different and these variations would make it obvious the scene was not shot together and not look seamless. One day could be bright and sunny while the next could be overcast. These two different types of days come across very drastically on film. Color correction is applied during the editing process to modify the colors of the scenes to look as though they were shot at the same time. This can be done by lowering the brightness of the bright and sunny day while also bringing up the light slightly on the overcast day. A lot of care has to be taken not to go too far with one over the other and try to meet in the middle. This could lead to scenes that are too bright and "blown out". Going from bright to darker many times is much easier than going from dark to bright.

The main reason for this is that the camera does not see as much detail in darker scenes to make them bright. A bright scene can be made to look like a night scene fairly easy (called day for night). This is done in movies a lot. I have seen an example of this in American Pie when the guys are driving through town during the night time with their lights on. This was shot during the day and they lowered the brightness to make it look like night. A way you can notice this sometimes is by noticing the detail in the entire frame. A true night scene typically would have bright areas with some dark areas outside of the area of focus. A day scene shot to be night would have almost the entire scene with the same detail and lighting.

Color Grading: Color grading is modifying scenes to have a certain color tone. This can be done for numerous reasons from conveying an emotion or signify a change. The idea is to take the original footage and add certain color elements to the entire scene. An example is a scene that has a blue tint to it to convey a clean look or a melancholy feeling. An apparent film example is in Steven Soderbergh's film Traffic. The film follows a few storylines in parallel. Each storyline has a very distinct color tone to it.

One is a blue tint, another is more of an orange tint. This makes it easy to notice which storyline we are experiencing. Granted, it might only be subconsciously, but it is something that makes it easier to follow. Many times, the set can be changed in anticipation of knowing the color that will be used. For instance, certain furniture and lamps of a certain color will be placed in the scene because it will look better with the color that will be added to the scene in post-production (film editing). A great example of the trend of using colors can be found here. This shows a picture of the outline view of the film Black Hawk Down. As you can see, as the film progresses, the color grading is slightly different. It is consistent for a number of scenes, then gradually changes to another color for a while.

Finally, another, more recent, use of color grading is to make digital movies look more like they were shot on film. Lighting is a big part of this process, but color grading also has a huge impact on giving the movie a film look as opposed to the digital home movie feel. If an independent filmmaker does not have enough money for a lot of lights, they could rely more on color grading to make their film look more "normal" to someone.

I hope this article has helped to understand the difference between color correction and color grading. I also hope it will open eyes to the use of color in films which can be a very powerful tool to convey a message. You can find examples of films to potentially see the above in action at various independent film reviews sites. These indie film websites and short film websites are a great place to see a varying approach to all of these topics.

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