minimalist cardboard sign mockup on purple wall

cardboard sign ogk purple wall goerz hypergon 65mm minimalist still lifes egon schiele light beige indigo hidden details minimal retouching website denim mockup rectangular plain violet background brown paper word okey hanging wooden surface vibrant background composition inspired style incorporates elements stijl oku art sacha goldberger#39aph39#s work packed features soft muted palette logo present generated