I saw a crafter watercolour on coloured card stock and wanted to try it for myself. It worked, but because of run-away embossing powder, I ended up fussy-cutting my piece, so you can't tell that I used Pirouette Pink card stock underneath (pale pink).
I heat embossed the image in silver and used my zigs (with very little water) to watercolour the flowers and leaves. Fussy-cut and placed it over top of a dry embossed cross-stitch background, adding a frame on top (pulling one of the flowers outside the frame.