Select faces for deletion based on color range of image texture with Geometry Nodes

[Okidoki]

There was/is some tools to select by vertex color… like so:

select face by vertex color

can anyone help me find a way to select the face of an object by vertex color

Or even by the texture:

Use a Picture to Select a Vertices?

Here: https://www.youtube.com/watch?v=m5QdBZ5sDG0 Its really simple. Here too: https://www.youtube.com/watch?v=G-vd-9G6BgQ