different color options

1-is there any extention or any setting to show other color for the same product as a screen shot?
http://prntscr.com/l8lxnu

2-is there any extention to show the sizes in category page when i hover the product?
http://prntscr.com/l8lzl3

thanks in advance
https://www.goo.moda
www.tenguzel.com

Well, you could try to find out, how OC works, to eventually create your own OPTIONS,
to achieve such, by getting lots of Information here. It's mostly not yet about OC -3, but
those OPTION-related Functions are very similar to older OC Versions as well, especially OC-2.
viewtopic.php?f=202&t=207547&p=736850#p736850
https://isenselabs.com/books/allbooks
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You could also search the OC Extension Section by use of Keywords, like:
Options - conditional Options - dependent Options - related Options - chained Options
to find out on what exists, when it comes to Option related requirements.
Like:
https://www.opencart.com/index.php?rout ... n_id=14468
http://demo.liveopencart.com/product_op ... age_pro_2/
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OC takes some time, to find out such details. And this, one has to do on his own ...
Good Luck!
Ernie

great thanks Ernie
i am really greatful

about question 2...is there any way to solve it?