Why don’t you use the forum search function first?
Searching for ‘colorpicker’ reveals e.g. https://community.openhab.org/t/oh2-how-to-convert-colorpicker-to-rgb-values/16305
which also shows an implementation of the rule I mentioned.
Why don’t you use the forum search function first?
Searching for ‘colorpicker’ reveals e.g. https://community.openhab.org/t/oh2-how-to-convert-colorpicker-to-rgb-values/16305
which also shows an implementation of the rule I mentioned.