As recently promised, Microsoft has released PowerToys v0.20.0. This release sees the arrival of a new utility in the form of Color Picker for grabbing hex and RGB color values from anywhere on screen. There are other changes and fixes too.
https://betanews.com/2020/08/01/microsoft-powertoys-v-0-20-0/
https://betanews.com/2020/08/01/microsoft-powertoys-v-0-20-0/