In this Qt6 video we are going to learn about Qt6 QColorDialog, The QColorDialog class provides a dialog widget for specifying colors, the color dialog’s function is to allow users to choose colors. For example, you might use this in a drawing program to allow the user to set  the brush color, the static functions provide modal color dialogs. the static getColor() function shows the dialog, and allows the user to specify a color. This function can also
be used to let users choose a color with a level of transparency: pass the ShowAlphaChannel option as an additional argument.