If you will like to go little different than Indian / traditional one, mint green colour is in trend and goes well with brick colour walls. Looks good if you have white appliances, crockery and some other elements that are visible with it. (Sourced from google images) https://goo.gl/images/Wyu1kR

Hey, IKEA has some great choices in solid surface kitchen countertops. Since you are trying to choose the best material for your kitchen countertops, you can head over to the IKEA website to get help with your decision. There, you can browse the different kitchen countertop options available and compare them. Besides their ready-made countertops, you can also get customised ones, so that they can suit your requirements better.

Yes,we had used for our projects, good for maintenance too

Black quartz would be advisable rather than any other color.