User Guide > Rendering and Render Setup > Shading > Shading Windows and Editors > Hypershade > Hypershade menu
bar >
View > As Small/Medium/Large/Extra
Large Swatches
Customize the Hypershade by selecting the ideal size for your swatches.
You can also access these features from the Hypershade tab toolbar.
+ 
, or 
and 
to flip
through the swatch sizes.