If you're looking for a way to convert an Adobe Swatch Exchange file to a text format to see the colors it contains, this post from Adobe Community may be helpful.
Ọ bụrụ na ị na-achọ ụzọ ị ga-esi gbanwee faịlụ Adobe Swatch Exchange gaa n'ụdị ederede iji hụ agba ọ nwere, post a na Adobe Community nwere ike inye aka.