A water-soluble triphenodioxazine dye having a chloro or bromo atom at one of the 6- and 13-positions and a group of Formula (1) at the remaining 6- or 13-position:
wherein:
R¹is H, OH or CH₃; and
R²is C₁₋₃-alkyl, hydroxy-C₁₋₃₋alkyl or -CH₂O(C₁₋₄-alkyl).
The dyes are useful for the coloration of textile materials.