Colorizer.me is described as 'Colorizer is an easy tool to get color information, and color shades with different lightness and saturation' and is an website in the Photos & Graphics category. There are four alternatives to Colorizer.me, not only websites but also apps for Windows, .NET Framework, Android and iPhone. The best alternative is ColorMania, which is free. Other great sites and apps similar to Colorizer.me are ColorManager (Free), 0to255 (Free) and Image Colorizer (Free).
ColorMania is a colorpicker for Windows. It's the perfect solution for previewing, identifying, testing and organizing color values. It can be a very difficult job to get your colors right for a unique or appealing design.
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.