And by '''Czarnikjak's color add-on''' board for real PCWclassic using RaspberryPico.
https://www.cpcwiki.eu/forum/index.php?msg=246774
*PCWplus FPGA cores allow easily to select 4 colour palettes on classic monochrome software or coder could use Z80 instructions to change colours in Color-IN. Different Palettes choosen through MallarBasic too.