PCS Color Scheme Viewer is described as 'free Color Scheme viewer. Opening, displaying even printing color schemes that you have been created with Pixel Pick. Visualize the colors and the values: RGB, CMYK, HSB, HEX or Web color values' and is an app in the Photos & Graphics category. There are seven alternatives to PCS Color Scheme Viewer for a variety of platforms, including Windows, Mac, Online / Web-based, iPhone and .NET Framework. The best alternative is Pipette. It's not free, so if you're looking for a free alternative, you could try DigitalColor Meter or ColorMixer. Other great apps like PCS Color Scheme Viewer are Painters Palette Finder (Free), ColorManager (Free), Pochade (Paid) and ColorFan (Paid).
With the pipette you are able to edit, convert and pick up colors from your screen. Pipette also supports a lot of standards or color models (RGB, CMY, CMYK, HSV, TColor and XYZ0). Color models are nothing but theoretical descriptions of colors using certain numeric values.
ColorMixer is a powerful application for mixing colors. You choose a color and ColorMixer will calculate 8 harmonic colors based on the one you’ve chosen. It’s user interface offers lots of utilities to choose colors.
Color Manager is a color management utility. Color Manager expects colors in RGB, CMYK, HSV, YUV and hex value to for all sorts of purposes (for example, colors of an application or website). In the pipette mode can also easily one color can be chosen from the active desktop.
Pochade easily allows you to select any color from your screen, save your collection of colors, and get the color value the way you want. Pochade is ideal for anyone that often has to get different color values from their screen.
ColorFan is a color picker application that lets you select from a fan like interface. iPad users, check out ColorFan HD The selected color is presented along with some related colors that you can finger through.