Sistema de medição de cor em tecidos, métodos de medição do consumo da mudança da cor, e, pacote contendo uma composição de lavagem de roupas

摘要

A fabric coulour measurement system comprising at least one pair of corresponding colour guides (2, 4), the or each pair comprising a first colour guide (2) to be washed and a second colour guide (4) to be dry-stored, wherein the guides comprise corresponding coloured fabric. The invention also comprises a method of consumer-measurement of colour change due to washing and a package containing a laundry composition in combination with the fabric colour measurement system of the invention.