New 60 gallon Fish tank

Hi I'm setting up a new 60 gallon fish tank I previously had 20 gallon tank and I'm going to set this one up a little bit differently and had a few questions. First I'm changing from gravel to sand substrate, I bought white sand and was wondering if anybody has mixed white and another color such as black or blue and had any luck doing that or if most people just go with one solid color? Also I've never used sand before so I was wondering if I needed to plant live plants in it and if so do I need to have a lot of plants or can I just have a handful of them? As far as filters I'm using the AquaClear 110 I wanted to see if that would be enough for my water flow or if I should get a powerhead to put in there too I don't have any experience with powerheads. Sorry for all the questions but thank you in advance.

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