The ridges of the mortar in between the bricks emit a blue hue, the color of the ocean: indigo, a name that refers to the shrub, the dye the plant produces and the color itself. This crumbling ...

The pigment is mixed with ingredients such as fructose and calcium hydroxide to prepare a dye vat that allows fabrics to absorb and develop the indigo color. Working with natural indigo is both an ...