On cottons this will dye gold, and on silk and protein fibres will give colours from gold to orange.
For light shades use 1 - 2 % WOF, medium shades use 3 - 4 % WOF and darker shades use 5 - 10 % WOF...
Madder is one of the oldest traditional dyes giving a range of reds and corals. Madder can be used with alum to obtain brick reds and rusty oranges, or with cochineal to obtain a true red.
Calcium Carbonate at 1 % WOF will bring out the deep red colour of Madder.For light shades use 0.5 - 2 % WOF, ..