“…The advantage of natural dyes may be sorted as: Production of soft, lustrous and rare colours, extraction from renewable sources, biodegradability, ease of disposal, reduced carbon emissions, lack of environmental threats. However, beside all these advantages, less availability, low color yield, inadequate fixation, necessity of mordants may be listed as the limitations of natural dyes [17][18][19][20][21][22][23][24]. The shells of the natural dyes utilized within our study can also be thrown away to the nature without giving any damage to the environment.…”