"property type: ColorHex
“The initial color of the picked color (named or hexadecimal)”
The fact that all the descriptions around this one terminate their sentences with a period, even singleton ones, and this one does not, suggests there was some copy-paste error to explain its incompleteness. The “Color” property also reflects the currently selected color.
“The initial then most recently selected color of the picked color (named or hexadecimal).”