QtColorPicker

Main features

Main window and sliders window can be moved by dragging background window space with left/right/middle mouse buttons
When mouse is on color selectors or sliders the parent window can be moved with the middle mouse button
Windows can be closed with the middle button click on any element except text fields, color sample and spinners
Separate component values in the text fields can be increased/decreased with Up/Down keys
In text fields selection of the next/previous component can be performed with Tab/Shift+Tab keys
Mouse scrolling can be used to increase/decrease values by 1 and by 10 with Ctrl key for selectors, sliders and spinners (to change Saturation on the selector with scrolling Shift is held)
Left/Right click on the color sample can be used to copy Hex color without and with leading # respectively

To increase/decrease value of a color component in text fields set text cursor near it or select it and press Up/Down keys or mouse scroll
To select next/previous color component in the same field press Tab/Shift+Tab
To toggle Sliders window click with middle mouse button on the color sample or use Ctrl+S
To close any window middle click somewhere on it
To move any window drag it with any mouse button by any part (except selector, sliders, spinners, buttons and text fields on which the middle button can be used)

F1 - F5 - copy color values (HSV, RGB, CMYK, Hex, # Hex)
F6 - paste Hex value
Shift+F1 - Shift+F4 - focus text fields (HSV, RGB, CMYK, Hex)
Ctrl+S - open/close Sliders window
Esc or mouse wheel press - exit
mouse wheel press on the color sample - open/close Sliders window
left/right mouse click on the color sample - copy Hex value (without/with leading #)
mouse scroll on the vertical Hue selector - change the Hue value by 1
mouse scroll on the rectangular Saturation/Value selector - change Value component by 1, with Shift - change Saturation component
mouse scroll with Ctrl - change values by 10

Portable packages:

The program was created with Qt 5.3.1 using MinGW compiler in Qt Creator 3.1.2.