color plays a huge role in the elements of design. Color can guide the viewer of your work or, draw the eye to important words with red text. A piece that uses a color scheme instead of just using your favorite colors all just mashed into a project is much more appealing to the eye. Give things emphasis with contrasting color.
below are some sites with information you will find useful in the study of color.
I am in no way affiliated to any of these sites, these are just sites that will get you started in the right direction for learning more about color.
Other color resources
http://www.colormatters.com/color-and-design/basic-color-theory – I really like the way this site uses graphics, and information to explain color. navigate the pages to dive into other areas of COLOR.
http://www.worqx.com/color/index.htm – A site that has some useful information about color.
http://www.ficml.org/jemimap/style/color/wheel.html – sites like this one let you choose a scheme, then you can take a small screen capture of the colors that may have the hexadecimal # for that color, bring this screen cap into your software you are using and sample colors from it.
Watch how here.
This is a video that is part of my Blog, it shows how to use a color swatch from a website and use it in a program like after effects. the full blog post can be seen on my Blog https://itvteacher.wordpress.com/
Color picker swatches and palettes.
http://r0k.us/graphics/SIHwheel.html#spot – a Java plug-in color tool
http://www.colourlovers.com/tools – colourlovers has some free color tools that are handy.
http://colorschemedesigner.com/ – a color scheme maker
http://kuler.adobe.com/ – one of my all time favorites. You can also download and use the adobe air Kuler app. I am pretty sure you must be online to use the air app though.