Sonnet 17 by pablo neruda suggests the intimacy that exists between the speaker and his beloved with images of

Pablo neruda suggested it with the images of darkness and shadow.
The darkness and shadow in pablo neruda's sonnet 17 refers to the defect that the beloved have.
By saying that 'I love you as certain dark things are loved', it's indicate that the speaker acknowledge the deffect that the beloved have and still accepted her love unconditionally.