An electrochromic medium for use in a tristate electrochromic device, comprising: - at least one solvent; - a first anodic material (A 1); - a first cathodic material (C 1), wherein both of the first anodic and cathodic materials are electroactive and at least one of the first anodic and cathodic materials is electrochromic; - at least one of a second anodic material (A 2) and a second cathodic material (C 2); - wherein, in a first state, the electrochromic medium exhibits a maximum light transmission; - wherein, in a second state, at least a portion of the first anodic material is oxidized from (A 1) to (A 1 +) and the current is limited by the first cathodic material (C 1) being reduced to (C 1 -) or at least a portion of the first cathodic material is reduced from (C 1) to (C 1 -) and the current is limited by the first anodic material (A 1) being oxidized to (A 1 +), and wherein variable attenuation occurs in one of visible radiation or near-infrared radiation; - wherein, in a third state, any remainder of the first anodic material is oxidized from (A 1) to (A 1 +) and the current is limited by the second cathodic material being reduced from (C 2) to (C 2 -), or any remainder of the first cathodic material is reduced from (C 1) to (C 1 -) and the current is limited by the second anodic material being oxidized from (A 2) to (A 2 +), and wherein variable attenuation occurs in both visible radiation and near-infrared radiation; - wherein the first anodic material (A 1) and, when present, the second anodic material (A 2) independently comprise ferrocene, substituted ferrocenes, substituted ferrocenyl salts, substituted phenazines, phenothiazine, substituted phenothiazines, substituted dithiazines, thianthrene, substituted thianthrenes, polymer films of polyaniline, polythiophenes, polymeric metallocenes, or oxides of vanadium, nickel, and iridium; and - wherein the first cathodic material (C 1) and, when present, the second cathodic material (C 2) independently comprise viologens, ferrocinium salts, polymer films of substituted polythiophenes, polymeric viologens, an inorganic film, or tungsten oxide. - at least one solvent; - a first anodic material (A 1); - a first cathodic material (C 1), wherein both of the first anodic and cathodic materials are electroactive and at least one of the first anodic and cathodic materials is electrochromic; - at least one of a second anodic material (A 2) and a second cathodic material (C 2); - wherein, in a first state, the electrochromic medium exhibits a maximum light transmission; - wherein, in a second state, at least a portion of the first anodic material is oxidized from (A 1) to (A 1 +) and the current is limited by the first cathodic material (C 1) being reduced to (C 1 -) or at least a portion of the first cathodic material is reduced from (C 1) to (C 1 -) and the current is limited by the first anodic material (A 1) being oxidized to (A 1 +), and wherein variable attenuation occurs in one of visible radiation or near-infrared radiation; - wherein, in a third state, any remainder of the first anodic material is oxidized from (A 1) to (A 1 +) and the current is limited by the second cathodic material being reduced from (C 2) to (C 2 -), or any remainder of the first cathodic material is reduced from (C 1) to (C 1 -) and the current is limited by the second anodic material being oxidized from (A 2) to (A 2 +), and wherein variable attenuation occurs in both visible radiation and near-infrared radiation; - wherein the first anodic material (A 1) and, when present, the second anodic material (A 2) independently comprise ferrocene, substituted ferrocenes, substituted ferrocenyl salts, substituted phenazines, phenothiazine, substituted phenothiazines, substituted dithiazines, thianthrene, substituted thianthrenes, polymer films of polyaniline, polythiophenes, polymeric metallocenes, or oxides of vanadium, nickel, and iridium; and - wherein the first cathodic material (C 1) and, when present, the second cathodic material (C 2) independently comprise viologens, ferrocinium salts, polymer films of substituted polythiophenes, polymeric viologens, an inorganic film, or tungsten oxide.