deep brown or black will be low lights

i asked for highlights meaning lighter colours than red itself.
ok so lemme tell u lil bit more.
im gonna dye my hair pure intense red colour. im gona colour over my already dyed light auburn sorta red so the colour will be kinda intense i jst wana break the intensity with sum highlights.
remember im gonna dye my hair warmer tone of red so tell me sum colours that go with warm shades. no black or ash blonde plz!