I like the ease-of-use Themes available with sites like Weebly, Blogger, KidBlog, and others. However, sometimes you might want to come up with your own unique color selections. Here are some links I've found to start you on that journey if you are interested.
Find the Best Color for your Website with this Guide
This is a very brief read for most, and it makes a good point of suggesting you simply choose just two colors, a "nice" base color and an accent color. The post leads you to the next three links presented below.
A Simple Web Developer's Guide to Color
Great tips in a step-by-step written style. Begin with Tips on choosing a Starting Color (base color). Reading through tips leads you to the next two links presented here.
If you are making a web site for a funeral home, would you choose the same colors you would use for a web site for a Kids Club? I didn't think so. Be sure to click the Drop-down arrow besides "Colors" at the top-center of this site for a truly eye-opening experience of color choice in web design.
Like dribbble, above, lots of eye-candy using "Color" selector, or just the search feature.
over 4,214,835 user-created color palettes to inspire your ideas...and counting
Try it. You'll like it. (Going back to my roots in HTML with all those color codes)
Brent Jackson at http://jxnblk.com/ is the face behind "Colorable". His "Loaded" web site says Web designer-developer specializing in modular design systems & front-end architecture.
Adobe Color CC