As black dye is haram is the dye of other colour can be applied.
Answer:
(Fatwa: 455/455=M/1429)
Yes, one can apply dye other than black provided it is not impure and any agent other than colour. However, it is better to apply henna and kusum.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband