Vehicle light comprising - a container body delimiting a containment housing which houses at least one light source, adapted to emit, when electrically powered, a plurality of light rays (Ri) defining a light beam to propagate outside the vehicle light, - a lenticular body, closing at least partially the containment seat and suitable to be crossed at least partially by the beam of light produced by the light source, - a diffuser body defined by a light input wall and a light output wall, said diffuser body facing said at least one light source, so as to be crossed by its beam of light, said diffuser body facing the lenticular body and extending along a main transverse extension (T-T) perpendicular to a main propagation direction (L-L) of the beam of light, wherein - the diffuser body comprises a first group of first optical elements defining cylindrical optics with circular cross-section or spherical optics suitable to realize cylindrical or spherical caustics which realize, by subsequent refractions, a scattering of said light rays (Ri) towards the light output wall in order to produce a beam of light having an opalescent effect, wherein the first optical elements of the first group are solid bodies juxtaposed without interruption so as to form a single body, wherein the first optical elements are separated from the light source and from the lenticular body, by means of air gaps, wherein the diffuser body, on the light output wall has a diffusive portion, comprising micro optics and/or embossing and/or a glaze, suitable to equalize and to diffuse the beam of light coming from the light output wall, or the light comprises a screen, placed between the diffuser body and the lenticular body, said screen comprising a diffusive portion, comprising micro-optics and/or embossing and/or a glaze, suitable to equalize and to diffuse the beam of light coming from the light output wall. - a container body delimiting a containment housing which houses at least one light source, adapted to emit, when electrically powered, a plurality of light rays (Ri) defining a light beam to propagate outside the vehicle light, - a lenticular body, closing at least partially the containment seat and suitable to be crossed at least partially by the beam of light produced by the light source, - a diffuser body defined by a light input wall and a light output wall, said diffuser body facing said at least one light source, so as to be crossed by its beam of light, said diffuser body facing the lenticular body and extending along a main transverse extension (T-T) perpendicular to a main propagation direction (L-L) of the beam of light, wherein - the diffuser body comprises a first group of first optical elements defining cylindrical optics with circular cross-section or spherical optics suitable to realize cylindrical or spherical caustics which realize, by subsequent refractions, a scattering of said light rays (Ri) towards the light output wall in order to produce a beam of light having an opalescent effect, wherein the first optical elements of the first group are solid bodies juxtaposed without interruption so as to form a single body, wherein the first optical elements are separated from the light source and from the lenticular body, by means of air gaps, wherein the diffuser body, on the light output wall has a diffusive portion, comprising micro optics and/or embossing and/or a glaze, suitable to equalize and to diffuse the beam of light coming from the light output wall, or the light comprises a screen, placed between the diffuser body and the lenticular body, said screen comprising a diffusive portion, comprising micro-optics and/or embossing and/or a glaze, suitable to equalize and to diffuse the beam of light coming from the light output wall. wherein the first optical elements of the first group are solid bodies juxtaposed without interruption so as to form a single body, wherein the first optical elements are separated from the light source and from the lenticular body, by means of air gaps, wherein the diffuser body, on the light output wall has a diffusive portion, comprising micro optics and/or embossing and/or a glaze, suitable to equalize and to diffuse the beam of light coming from the light output wall, or the light comprises a screen, placed between the diffuser body and the lenticular body, said screen comprising a diffusive portion, comprising micro-optics and/or embossing and/or a glaze, suitable to equalize and to diffuse the beam of light coming from the light output wall.