{"slug":"op-art","title":{"ja":"オプアート","en":"Op art"},"summary":{"ja":"白黒の規則的な模様を少しずつ歪ませ、平面が膨らんだり動いたりして見える錯視をつくる。","en":"A regular black-and-white pattern is gradually distorted so the flat surface seems to bulge or move."},"categories":["art","design"],"subAspects":["art.movement"],"aspects":["art"],"tags":["op-art","optical-illusion","checkerboard","black-and-white"],"palette":[{"name":"White","hex":"#F5F3EE","ratio":0.5},{"name":"Black","hex":"#111111","ratio":0.5}],"keywords":["op art","optical art","optical illusion","warped checkerboard","bulging grid","black and white"],"traits":{"en":["A strict black-and-white pattern (checkerboard or stripes) with no gray","The cells keep their order but grow, shrink and bend so the surface seems to swell toward the viewer","The distortion changes smoothly, so the eye reads depth and motion in a flat image","Hard, crisp edges; no shading, texture or outline other than the pattern itself"],"ja":["厳密な白黒の模様（市松や縞）で、灰色はない","マス目の並びは保ったまま、大きさと形が少しずつ変わり、面がこちらへ膨らんで見える","歪みはなめらかに変わり、平面なのに奥行きや動きが見える","境界は硬くくっきりしている。模様以外の陰影・質感・輪郭線はない"]},"prompt":"Op art: a strict black-and-white checkerboard that keeps its order while its squares grow, shrink and bend, so the flat surface seems to swell outward in a smooth bulge. Hard, crisp edges, no gray, no shading or texture; the illusion of depth and motion comes only from the distorted pattern.","negativePrompt":"gray tones, color, shading, 3D render, texture, random pattern, figurative imagery","contrasts":[],"images":[],"references":[{"label":"py5-media-art — abstract_generative_op_art_checkerboard_2d","url":"https://github.com/asamiile/py5-media-art/tree/main/sketch/abstract_generative_op_art_checkerboard_2d"},{"label":"py5-media-art — abstract_optical_illusion_moire_2d","url":"https://github.com/asamiile/py5-media-art/tree/main/sketch/abstract_optical_illusion_moire_2d"},{"label":"Wikipedia — Op art","url":"https://en.wikipedia.org/wiki/Op_art"}],"links":{"page":{"ja":"https://visual-gallery.asami.tokyo/ja/styles/op-art","en":"https://visual-gallery.asami.tokyo/en/styles/op-art"},"json":"https://visual-gallery.asami.tokyo/api/v1/styles/op-art","markdown":"https://visual-gallery.asami.tokyo/api/v1/styles/op-art/md"}}