A display comprising plural pixels , each of the pixels includes a first sub-pixel , a second sub-pixel , and a third sub-pixel , each of the sub-pixels includes a concavo-convex region on a reflective surface on which incident light is reflected, wherein plural protrusions or recesses are arranged irregularly in the concavo-convex region, in the first sub-pixel, the plural protrusions or recesses arranged in the concavo-convex region each have a first height (T) or depth configured to display a first color, the first height or depth is 360 nm ± 40 nm, wherein the saturation of the first color is adjustable by an area ratio of the concavo-convex region in the first sub-pixel, wherein the first color is red, in the second sub-pixel, the plural protrusions or recesses arranged in the concavo-convex region each have a second height (T) or depth configured to display a second color, the second height or depth is 280 nm ± 40 nm, wherein the saturation of the second color is adjustable by an area ratio of the concavo-convex region in the second sub-pixel, wherein the second color is green, and in the third sub-pixel, the plural protrusions or recesses arranged in the concavo-convex region each have a third height (T) or depth configured to display a third color, the third height or depth is 200 nm ± 40 nm, wherein the saturation of the third color is adjustable by an area ratio of the concavo-convex region in the third sub-pixel, wherein the third color is blue, wherein the plural protrusions or recesses are extended in one direction and have a long side formed by this extension to have a length of 50 μm or more so as to provide an interference color in a specific direction. each of the pixels includes a first sub-pixel , a second sub-pixel , and a third sub-pixel , each of the sub-pixels includes a concavo-convex region on a reflective surface on which incident light is reflected, wherein plural protrusions or recesses are arranged irregularly in the concavo-convex region, in the first sub-pixel, the plural protrusions or recesses arranged in the concavo-convex region each have a first height (T) or depth configured to display a first color, the first height or depth is 360 nm ± 40 nm, wherein the saturation of the first color is adjustable by an area ratio of the concavo-convex region in the first sub-pixel, wherein the first color is red, in the second sub-pixel, the plural protrusions or recesses arranged in the concavo-convex region each have a second height (T) or depth configured to display a second color, the second height or depth is 280 nm ± 40 nm, wherein the saturation of the second color is adjustable by an area ratio of the concavo-convex region in the second sub-pixel, wherein the second color is green, and in the third sub-pixel, the plural protrusions or recesses arranged in the concavo-convex region each have a third height (T) or depth configured to display a third color, the third height or depth is 200 nm ± 40 nm, wherein the saturation of the third color is adjustable by an area ratio of the concavo-convex region in the third sub-pixel, wherein the third color is blue, wherein the plural protrusions or recesses are extended in one direction and have a long side formed by this extension to have a length of 50 μm or more so as to provide an interference color in a specific direction. <EOS>