There are sites to help you decide on your color options for your project.
Adobe Kuler: Color wheel | Color schemes
Create color schemes with the color wheel or browse thousands of color combinations from the Kuler community.
Color specifications are also provided in RGB (Photoshop) and HEX#
It provides a color scheme options under Explore.
Coolors
Generate infinite color palettes for your designs and share, export or save it in your profile.
