An ink set composed of a plurality of inks, comprising at least an ink jet yellow ink and an ink jet light-color magenta ink as an ink jet light-color ink or comprising at least an ink jet yellow ink and an ink jet light-color cyan ink as an ink jet light-color ink, wherein the ink jet yellow ink comprises at least a coloring material and a water-soluble organic solvent, the coloring material of the ink jet yellow ink is a compound represented by the following General Formula, the ink jet light-color ink comprises at least a coloring material and a water-soluble organic solvent, and the ink jet light-color ink satisfies the following conditions (i) and (ii): (i) a content (mass%) of the coloring material in the ink jet light-color ink is 0.1 mass% or more and 2.0 mass% or less with respect to a total mass of the ink jet light-color ink, and (ii) a total content (mass%) of a water-soluble organic solvent having an evaporation rate X (mass%) and a moisture absorption rate Y (mass%) which satisfy a relationship represented by the following expression: Y ≤ 2.8 X + 10 is 50 mass% or more with respect to a total content (mass%) of a water-soluble organic solvent in the ink jet light-color ink; wherein M's each independently represent a hydrogen atom, an alkali metal, an alkali earth metal, a cation of organic amine or an ammonium ion, and n's each independently represent 1 or 2; and wherein the ink jet light-color magenta ink includes the following Compound as the magenta coloring material, wherein R 1 represents a hydrogen atom, an alkyl group, a hydroxy lower alkyl group, a cyclohexyl group, a monoalkyl aminoalkyl group, a dialkyl aminoalkyl group, or a cyano lower alkyl group; Y represents a chlorine atom, a hydroxyl group, an amino group, a monoalkylamino group or a dialkylamino group (the monoalkylamino group or the dialkylamino group may have a substituent on the alkyl group selected from the group consisting of a sulfonic group, a carboxyl group, and a hydroxyl group); and R 2, R 3, R 4, R 5 and R 6 each independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or a carboxyl group (provided that R 2, R 3, R 4, R 5, and R 6 cannot simultaneously represent hydrogen atoms); and the ink jet light-color cyan ink contains the following Compound as the cyan coloring material, Compound wherein l represents 0 to 2, m represents 1 to 3, and n represents 1 to 3 (provided that l + m + n = 3 to 4); the positions at which substituents are present are 4-position or 4'-position; M represents an alkali metal or ammonium; R 1 and R 2 each independently represent a hydrogen atom, a sulfonic group, or a carboxyl group (provided that R 1 and R 2 cannot simultaneously represent hydrogen atoms); and Y represents a chlorine atom, a hydroxyl group, an amino group, a monoalkylamino group or a dialkylamino group. (i) a content (mass%) of the coloring material in the ink jet light-color ink is 0.1 mass% or more and 2.0 mass% or less with respect to a total mass of the ink jet light-color ink, and (ii) a total content (mass%) of a water-soluble organic solvent having an evaporation rate X (mass%) and a moisture absorption rate Y (mass%) which satisfy a relationship represented by the following expression: Y ≤ 2.8 X + 10 is 50 mass% or more with respect to a total content (mass%) of a water-soluble organic solvent in the ink jet light-color ink; wherein M's each independently represent a hydrogen atom, an alkali metal, an alkali earth metal, a cation of organic amine or an ammonium ion, and n's each independently represent 1 or 2; and wherein the ink jet light-color magenta ink includes the following Compound as the magenta coloring material, wherein R 1 represents a hydrogen atom, an alkyl group, a hydroxy lower alkyl group, a cyclohexyl group, a monoalkyl aminoalkyl group, a dialkyl aminoalkyl group, or a cyano lower alkyl group; Y represents a chlorine atom, a hydroxyl group, an amino group, a monoalkylamino group or a dialkylamino group (the monoalkylamino group or the dialkylamino group may have a substituent on the alkyl group selected from the group consisting of a sulfonic group, a carboxyl group, and a hydroxyl group); and R 2, R 3, R 4, R 5 and R 6 each independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or a carboxyl group (provided that R 2, R 3, R 4, R 5, and R 6 cannot simultaneously represent hydrogen atoms); and the ink jet light-color cyan ink contains the following Compound as the cyan coloring material, Compound wherein l represents 0 to 2, m represents 1 to 3, and n represents 1 to 3 (provided that l + m + n = 3 to 4); the positions at which substituents are present are 4-position or 4'-position; M represents an alkali metal or ammonium; R 1 and R 2 each independently represent a hydrogen atom, a sulfonic group, or a carboxyl group (provided that R 1 and R 2 cannot simultaneously represent hydrogen atoms); and Y represents a chlorine atom, a hydroxyl group, an amino group, a monoalkylamino group or a dialkylamino group.