Screen Sucker is a useful tool to get value of color.It can SUCK color from screen.
The color value can be the form of the following:

1.RGB Macro(using in C++ program,e.g. RGB(255,200,10))
2.C++ Hex Value(using in C++ program,e.g. 0xFF00FF)
3.HTML Hex Value(using in HTML file,e.g. #FAFAFA)

All of these form of value can be copied to clipboard easily by click "Copy" button.
You can also set the value by RGB value.
Hot key "Ctrl" + "Num-" is defined for suck screen.
The main window can keep on top or not.