A security device, comprising: a substrate; a first color-shifting pigment on a first region of the substrate; and a second pigment on a second region of the substrate; wherein the first color-shifting pigment and the second pigment color match at a first viewing angle: and characterised in that the first color-shifting pigment includes a dielectric material that is different from a dielectric material in the second pigment; and the second pigment includes a multi-layered structure, wherein: the multi-layered structure has a dielectric layer/absorber layer/dielectric layer/reflector layer/dielectric layer/absorber layer/dielectric layer structure; or the multi-layered structure has a dielectric layer/absorber layer/dielectric layer/reflector layer/dielectric layer/absorber layer/dielectric layer structure, wherein the reflector layer is replaced with a core having a reflector layer/magnetic layer/reflector layer structure or a reflector layer/magnetic layer structure, wherein a color match is understood as, under the same lighting condition and the same viewing angle, either: i) a minimum perceptible color difference for viewing seamless adjacent pigment pairs from 0 to 2.0 delta E; or ii) a minimum perceptible color difference for viewing a hairline separation between pigment pairs from 0 to 5.0 delta E. a substrate; a first color-shifting pigment on a first region of the substrate; and a second pigment on a second region of the substrate; wherein the first color-shifting pigment and the second pigment color match at a first viewing angle: and characterised in that the first color-shifting pigment includes a dielectric material that is different from a dielectric material in the second pigment; and the second pigment includes a multi-layered structure, wherein: the multi-layered structure has a dielectric layer/absorber layer/dielectric layer/reflector layer/dielectric layer/absorber layer/dielectric layer structure; or the multi-layered structure has a dielectric layer/absorber layer/dielectric layer/reflector layer/dielectric layer/absorber layer/dielectric layer structure, wherein the reflector layer is replaced with a core having a reflector layer/magnetic layer/reflector layer structure or a reflector layer/magnetic layer structure, wherein a color match is understood as, under the same lighting condition and the same viewing angle, either: i) a minimum perceptible color difference for viewing seamless adjacent pigment pairs from 0 to 2.0 delta E; or ii) a minimum perceptible color difference for viewing a hairline separation between pigment pairs from 0 to 5.0 delta E. the multi-layered structure has a dielectric layer/absorber layer/dielectric layer/reflector layer/dielectric layer/absorber layer/dielectric layer structure; or the multi-layered structure has a dielectric layer/absorber layer/dielectric layer/reflector layer/dielectric layer/absorber layer/dielectric layer structure, wherein the reflector layer is replaced with a core having a reflector layer/magnetic layer/reflector layer structure or a reflector layer/magnetic layer structure, wherein a color match is understood as, under the same lighting condition and the same viewing angle, either: i) a minimum perceptible color difference for viewing seamless adjacent pigment pairs from 0 to 2.0 delta E; or ii) a minimum perceptible color difference for viewing a hairline separation between pigment pairs from 0 to 5.0 delta E.