dseres:
It depends on which cultivar or wild collected plant they
are calling 'Pink'.I have several different S.greggii Pink forms.One form collected in Junction,Texas is dwarf (12"-15") while Pink Preference blooms later the form,texture
and height are diffenent.Wild Thing refers to a specific plant while pink is more general.Any form can be called pink.
Art

Most pinks are really really light magentas, not light true reds. Rose is an intermediate intensity. Salvia greggiis with flowers in the pink range include `Pink Preference', Big Pink' and `Dwarf Pink'. `Wild Thing' definitely is more lavender in hue, though not as lavender-tinted as the lycioides x greggii forms `San Isidro' and `Purple Pastel'. WT has the same hue as S. muelleri or `Diane', but much lighter in saturation.

I'd need to do a measurement with the color charts from the Royal Horticultural Society to be sure. Anyone with Photoshop can do color experiments using the Color Picker