Toggle main/additional colors

`Shift` + `X`

All hotkeys for Corel Painter 2017 (Windows)

Brushes Brushes	`B`
Brushes Radius Adjustment	`Ctrl` + `Alt`
Brushes Ajust Opacity	`Ctrl`
Brushes Add Brush	`Shift` and `Drag`
Brushes Add a Command	`Ctrl` + `Alt` + `5`
Brushes Resize	`Ctrl` + `Alt`
Brushes Dropper	`Alt`
Brushes Unconstrained draw	`Shift` + `1`
Brushes Draw outside	`Shift` + `2`
Brushes Draw inside	`Shift` + `3`
Brushes Load nozzle	`Ctrl` + `L`
Brushes Toggle main/additional colors	`Shift` + `X`
Brushes Correct colors	`Ctrl` + `Shift` + `K`
Brushes
Color Selection Color Palette	`Ctrl` + `Alt` + `1`
Color Selection Dropper	`D`
Color Selection Clone color	`U`
Layers New Layer	`Ctrl` + `Shift` + `N`
Layers Layer Adjustment	`F`
Layers Lift canvas content to layer	`Ctrl` + `A`
Layers Select All Layers	`Ctrl` + `Shift` + `1`
Layers Group	`Ctrl` + `G`
Layers Ungroup	`Ctrl` + `U`
Layers Collapse	`Ctrl` + `E`
Layers Dry digital watercolor	`Ctrl` + `Shift` + `L`
Canvas Screenmode toggle	`Ctrl` + `M`
Canvas Reposition canvas on screen	`Hold Space bar` and `Drag`
Canvas Rotate Page	`E`
Canvas Launch Navigator panel	`Ctrl` + `7`
Canvas Resize	`Ctrl` + `Shift` + `R`
Canvas Tracing Paper	`Ctrl` + `T`
Canvas
Toolbox commands Maginifier	`M`
Toolbox commands Grabber	`G`
Toolbox commands Divine Proportion	`,`
Toolbox commands Layout Grid	`/`
Toolbox commands Crop	`C`
Toolbox commands Burn	`=`
Toolbox commands Oval Selection	`O`
Toolbox commands Rectangular Selection	`R`
Toolbox commands Magic wand	`W`
Toolbox commands Lasso	`L`
Toolbox commands Layer Adjuster	`F`
Toolbox commands Selection Adjuster	`S`
Toolbox commands Shape Selection	`H`
Toolbox commands Pen	`P`
Toolbox commands Text	`T`
Toolbox commands Quick Curve	`Q`
Toolbox commands Rectangular Shape	`I`
Toolbox commands Oval Shape	`J`
Toolbox commands Scissors	`Z`
Toolbox commands Add Point	`A`
Toolbox commands Convert Point	`Y`
Toolbox commands Remove Point	`X`
Toolbox commands Transform Tool	`Ctrl` + `Alt` + `T`
Toolbox commands Mirror Tool	`,`
Toolbox commands Kaleidoscope tool	`Ctrl` + `K`
Panel Commands Brush Control Panel	`Ctrl` + `B`
Panel Commands Colors	`Ctrl` + `1`
Panel Commands Mixer	`Ctrl` + `2`
Panel Commands Color Sets	`Ctrl` + `3`
Panel Commands Layers	`Ctrl` + `4`
Panel Commands Channels	`Ctrl` + `5`
Panel Commands Clone Source	`Ctrl` + `6`
Panel Commands Navigator	`Ctrl` + `7`
Panel Commands Gradients	`Ctrl` + `8`
Panel Commands Patterns	`Ctrl` + `9`
General Shortcuts New	`Ctrl` + `N`
General Shortcuts Open	`Ctrl` + `O`
General Shortcuts Close	`Ctrl` + `W`
General Shortcuts Save	`Ctrl` + `S`
General Shortcuts Save As	`Ctrl` + `Shift` + `S`
General Shortcuts Export Source Image	`Ctrl` + `Shift` + `S`
General Shortcuts Email Image	`Ctrl` + `Alt` + `E`
General Shortcuts Print	`Ctrl` + `P`
General Shortcuts Quit	`Ctrl` + `Q`
General Shortcuts Copy	`Ctrl` + `C`
General Shortcuts Cut	`Ctrl` + `X`
General Shortcuts Undo	`Ctrl` + `Z`
General Shortcuts Redo	`Ctrl` + `Y`
General Shortcuts Paste	`Ctrl` + `Alt` + `V`
General Shortcuts Paste in place	`Ctrl` + `V`
General Shortcuts Fill	`Ctrl` + `F`
General Shortcuts Free Transform	`Ctrl` + `Alt` + `F`
Navigation Shortcuts First frame of stack	`Home`
Navigation Shortcuts Last frame of stack	`End`
Navigation Shortcuts Next frame	`PgUp`
Navigation Shortcuts Previous frame	`PgDn`
Navigation Shortcuts Stop at current frame	`Alt` + `Break`
Navigation Shortcuts
Other Shortcuts Add current color to color set	`Ctrl` + `Shift` + `T`
Other Shortcuts Swap colors	`Shift` + `S`
Other Shortcuts Nudge 1 pixel	`Arrow Keys`
Other Shortcuts Nudge 4 pixel	`Shift` + `Arrow Keys`
Other Shortcuts Memory Info	`Shift` + `I`
Other Shortcuts Insert Script Delay	`-`
Other Shortcuts Close all windows	`Ctrl` + `Shift` + `W`
Other Shortcuts Zoom to actual pixels	`Ctrl` + `Alt` + `0`