A pinch of cayenne pepper will help and also add a nice reddish colour to your dip, warning your guests about its potency! (mygreekdish.com)
The elastic composites have a pronounced reddish colour that blue - shifts over the entire visible range as the film is stretched or compressed by up to a strain of 70 %. (nanotechweb.org)
Cinnamon This breed is available only in reddish colour indicative of its name. (petsmagazine.com.sg)