Shortcut: O On the right side you can see the settings for the colour picker. Here's a short description of everything there: Sample average - set whether to pick average value from pixels within some radius (1 to 300px) of the selected point. Sample merged - set whether to merge the colour from all visible layers and pick that (i.e. to pick the colour as seen). Pick mode - modes, see below. Use info window - set whether you want to see the info window, see below. There are four modes in the colour picker tool. Here are their descriptions: Pick only - only picks a colour, doing nothing to it (information dialogue must be turned on); Set foreground colour - picked colour is used as foreground colour; Set background colour - picked colour is used as background colour; Add to palette - adds the colour to the palette, especially useful while creating palettes; Ctrl switches between Set foreground colour and Set background colour, when either of these is active. Shows an info window, with two columns of information - you can choose for both of those these options: pixel, RGB, HSV and CMYK, with pixel and RGB being active by default. Shift toggles it on and off. ← Foreground Select · Zoom Tool → ← Foreground Select · GIMP · Zoom Tool →
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