Your water parameters sound like you could have a lovely livebearer tank. If you go with cichlids you are going to need to avoid the softwater species... and I know absolutely NOTHING about the hardwater species. I don't think that you can mix hardwater cichlids with many other species?
Especially while you're getting into fishkeeping, the simpler the better. Perhaps find some guppies that really toot your horn, or some platies OR swordtails that you adore. Mollies I don't have much experience with but you could probably do those, although they can get quite large and like some salt in their water.
Once you start keeping livebearers, you'll notice that there is a startling variety of livebearers out there... for example anableps are livebearers (although tricky to keep and requiring a species tank), and there are some species of livebearer which are predatory and look similar (in body shape) to a gar.... there are the montie swordtails where the males have swords of prodigous size, and platies with amazing colors. There are the goodieds, with the humpbacked look and shiny scales... the endlers (the males look as bright as little neons to me),..plus all the various varieties that have been selectively bred by man.
Go to some fish sites on the web with species individual care sheets... look at the ideal water parameters for those species...
see what you like and what you have access to... keep thinking and planning. It pays off.
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