There is a hundred ways to change the color in After Effects, do a google search. If you want to change just the color in the most basic, straight forward way put on a color Level (Effects>Color Correction>Levels).

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Thanks Henry.I did, even I tried MAGIC BULLET,55MM and other plug-ins to grade film colours,however,most of the time I can't get the color I want. I always use my SONY FX1E to shoot Music Viedos in my leisure time,recently I concern the picture quality much, Actually I know camera,lighting,scene,experience are important,also I know the story is extremely important but now we are in "POSTPRODUCTION Forum",so I wanna know more details on postproductions. I really wanna get the film-like colors in my MV. The RED ONE can make it, why don't we use DV to creat it?
If there's any body use DF,CB,Lustre to grade film colours,you can send me mails: 834312893?qq.com poly

poly

In the film times, color adjusting is done by filters then processing in printing machine.Later use electronic fly spot scanner to adjust color and brightness
Now all is done by computer software like AE, which is known well by every one of us,
RedOne has more higher definition than family camcord. besides, dv output format is mostly compressed, so you can';t competite with film. except 4K.

China Art is also fascinating.

A couple of years back I shot a feature with the FX1. When we were editing I realized how drab the colors are. What ended up working for us was to saturate the picture first somewhere between 125% and 175%. First and foremost that gave us some color to work with. Then we started adjusting levels and color balance, etc... You're going to have to eye it, cause too much saturation will look pretty awful. But those cameras shoot so drab to begin with, I think it's a necessity.