Weld - Reseda Luteola is also known as Dyers Weld, Dyers Rocket, and Dyers Mignonette produces an excellent light and washfast yellow and is a strong clear yellow to combine with indigo for emerald and leaf greens. It is traditionally cultivated throughout Europe as a yellow dye plant it still flourishes on embankments or beside railways and roads. Weld gives strong intense yellows which are clear and bright. The strength of these colors makes weld a good choice for over dyeing with indigo to obtain teals and greens. can be dyed at 30-50% WOF for a medium depth of shade.