Review: L'oreal Couleur Experte in Almond Rocca Light Brown

I neglected my hair colour for the past few months & it was starting to look scary so I bought this L'oreal's Couleur Experte at home colouring kit....it includes a base colour and highlight colourI got the colour 6.0 Almond RoccaShouldn't be a problem right? I have dark brown hair Before (LEFT) and After (RIGHT) using the base colour  The base colour covered my roots and coloured my hair a