(1) Portuguese and Genoan sailors used this durable, blue, broad cloth, dyed with indigo , for their bellbottom sailing pants, and it soon became popular with farmers and others.(2) It was usually dyed with indigo , a dye taken from plants in the Americas and India, which made jean cloth a dark blue colour.(3) A proposal from 1822 that calls for the use of paper dyed with blue indigo might be of help.(4) A more accurate map shows a wash of differing hues of indigo and violet, with some smatterings of infrared and ultraviolet at the extremes.(5) In the sixteenth century El Salvador produced cacao, from which chocolate is made; in the eighteenth century it grew indigo , which yields a blue dye used in clothing.(6) The blue is organic dye - real indigo - the same color used in blue jeans, which looks so beautiful next to the skin of your hand.(7) The deepest indigo of the horizon(8) Others planted truck gardens and sold corn, cotton, peanuts, sweet potatoes, tobacco, indigo , watermelons, and gourds at the market for profit.(9) Even rarer were certain organic dyes, such as indigo or purple, which had to be impregnated in chalk or the like to make them fast.(10) It also has some of the best beaches in Greece, with indigo depths and aquamarine shallows.(11) So really, I used an analogous process for the fermentation, which in the case of the indigo was done with a plant material.(12) In the Colonial Era, chemical manufacturing was confined to such rudimentary products as indigo dyes, naval stores, leather, glass, soap, and candles.(13) They were not blue, they were fiery cobalt, intense indigo , smoldering sapphire, and they could change their appearance with her every varying emotion.(14) I thought indigo might be popular because it's a colour people associate with rainbows and not much else.(15) But as I slowly looked over to the east, the sky turned from deep black to indigo to azure to ever lighter shades of blue.(16) Coffee, sugar, cotton, and indigo (a blue dye) from Haiti accounted for nearly one-half of France's foreign trade.