retro-style emoji set features charming, black and white face expressions, evoking nostalgia with monochrome palette

emoji retro vector smile face happy black white vintage cartoon funny comic icon modern emoticon hippie character expression element pop trendy emotion monochrome positive trippy isolated groovy love charming wink eye wow surprised 80s 70s 60s party fun collection 1970s 90s nostalgia color expressive happiness cheeky art cool illustration set