yes , a pure white kitchen will look great , the tiles will be the highlight of the kitchen.The mixed colours of the tiles , pure white cabinets and the Black granite will look Superb!!

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

Brown can be tricky colour to match with vibrant colours as Brown is not a fun colour. Brown and its shade are for timeless classic designs. It only goes well with conservative colours like white, black,grey and glass. Couple of options below

this is looking good. finally someone on houzz has listened! Thank you. I would leave it as it is since any items you place up there needs to be maintained and that is one more task we would be adding to the lady of the houzz. but if you are still wanting to add something for that first client impression may be few large glass pickle jars or just two of three colourful glass sculptures. as would perhaps know - less is more in modern design.