Whenever Canon is compared to any other brands, their color science becomes part of the comparison and most photographers, even Nikon users, admit that Canon has good colors.
closed as primarily opinion-based by Hueco, xiota, Rafael, Romeo Ninov, inkista Nov 13 '18 at 3:10
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Is just canon colour science make it worthy to buy?
Short Answer: No.
Longer Answer: SLR's have differentiated themselves from one another since the beginning. Canon, Nikon, Pentax, Fuji, Olympus...all the brands have to have some differentiating factors in order to have a competitive edge in the market.
At this point in time, each brand offers multiple differentiating factors from the others. No single factor, IMO, is worth a purchase decision. Instead, you should be looking at all of the things that are important to you and then match those up with a camera system that will match.
Addendum: If you are not sure of all of the factors that you are looking for in a camera, then you are probably very new to photography. This is not a good time to sink tons of money into a system. If possible, rent before you buy. If that isn't possible, do a ton of research. We've got a lot of good questions here like: What should I look for when shopping for my first DSLR?
I agree short answer is no. I just finished watching https://www.youtube.com/watch?v=EMfCDujQywY and reading this: https://www.pdnonline.com/gear/cameras/the-best-cameras-for-color-reproduction-ranked/#
I never quite got why people spent any time on this but now I get why I never cared (and neither should you:-). If you shoot RAW you are in complete control of the colour. When you watch the video check out the portion where Tony white balanced all his test images to the same sample and none came out on top as a favourite.
And we should all be shooting RAW :-)