Color picker should show current pixel color in a tooltip
When I use the color picker tool, sometimes I want to really pick the color. At other times I only want to know it, for cross-checking the image. In the latter case, it would be helpful if a tooltip had some information about the color of the current pixel. Or, if a tooltip is not possible, the status bar, which already has some information about the current tool.
For example, the image viewer from the Altap Salamander (a file manager) shows it: