Interestingly on a related note, blue was used for denim because of how when it fades it makes the fabric softer - making perhaps the most iconic item of clothi

Interestingly on a related note, blue was used for denim because of how when it fades it makes the fabric softer - making perhaps the most iconic item of clothing of all time. https://www.rd.com/culture/why-is-denim-blue/ https://www.rd.com/culture/why-is-denim-blue/