'Venn II' is a striking geometric abstraction featuring two overlapping circles in vibrant red and blue, set against a white background. The painting's visual simplicity belies its conceptual depth, as the Venn diagram structure symbolises the intersection of ideas, cultures, or perspectives.

The bold primary colours evoke a sense of fundamental truth, while their overlap creates a rich purple hue, suggesting the emergence of new possibilities through combination. Campbell's inspiration stems from his interest in mathematical concepts, their visual representation, and the power of simple forms to convey complex ideas.

This work relates to the Concrete Art movement, which emphasised non-representational forms and colours, as well as the aesthetics of Minimalism. The painting's elegant simplicity allows for multiple interpretations, making it a versatile and thought-provoking work with its visual clarity and conceptual richness.