Swatch Test: Real-Life Results of Blending 310 Hot Pink with 105 Plum
Every hair dye swatch test must account for the underlying canvas. Direct dyes act as a colored filter over whatever shade sits beneath them. Applying 105 Plum to un-toned, brassy level 8 hair triggers classic color wheel mechanics: the blue and violet tones fight the remaining orange-yellow pigments, leading to muted, muddy gray-brown patches.
Achieving clean results demands undertone blending that works alongside the hair color wheel. If the hair is lifted to a clean level 10 blonde base (the pale color of the inside of a banana peel), the yellow undertone is negligible. The pink and violet pigments sit on the hair cuticle uncorrupted by warm underlying pigments. Stylists formulating custom direct dyes frequently incorporate clear diluters or dedicated conditioning glosses when working on hyper-porous hair, ensuring the 105 Plum deposits evenly instead of grabbing dark spots along fragile, over-processed ends.