You actually managed to change the colour of shell with polish? You must be some sort of demigod. If it happens again you should just be able to strip if off, shell is notoriously hard to dye, recolour etc due to its fibre structure.
So, final specs for dark brown chelsea.
Dark brown (chocolate) suede
Single danite sole
Pull tab at top of shaft at rear of boot (believe this is standard, no pull tab needs specifying)
Essentially the above, but in dark brown suede.