>>7959703
You don't even need AI for that.
https://en.wikipedia.org/wiki/Indexed_color

>>7959778
About this, I like to to know what the color is to the dot since I have the add on all the wool

>>7959858
There's a list of HEX color codes for each wool type here: https://jigarbov.fandom.com/wiki/ALL_THE_WOOL/Color_Codes
So all those + the 16 base wool colors from vanilla Minecraft are your color palette. Then, for each pixel in the original image, you take the most similar color in the color palette.