Colour guide chart for colour measurement - in prim. colours on textile fabric w.r.t. dyestuff formulated for shade and strength stored in memory

摘要

Chart in the grey zone, to determine the colour proportions for (non-)textilee materials, is produced on a textile base fabric in the purest and most glowing basic colours of yellow, red and blue wrt dyestuff gp. Pref. laddered colour strength scale, from the centre of the chart, gives the colour strengths. Colour- and colour difference-values from the chart, for the colour shades and strengths are stored in the memory of an EDP assembly, with the formulation required for each. ADVANTAGE - The system gives measured colour values and colour difference values for the colour to be achieved wrt. parameters of the materials used.