An information recording medium to be used for an identification card having a front surface and a back surface comprising: a first color developing layer which develops a first color at a temperature not less than a first threshold value; a second color developing layer which is arranged at the back surface side with respect to the first color developing layer , and develops a second color at a temperature not less than a second threshold value that is lower than the first threshold value; and a third color developing layer which is arranged at the front surface side with respect to the first color developing layer , and develops a third color at a temperature not less than a third threshold value that is higher than the first threshold value , a first spacer layer arranged between the first color developing layer and the second color developing layer ; and a second spacer layer arranged between the first color developing layer and the third color developing layer ; wherein the information recording medium further includes a protective layer arranged at the front surface side with respect to the third color developing layer ; wherein a thickness (TK1) of the first spacer layer is thinner than a thickness (TK2) from a surface at the back surface side of the first color developing layer to a surface at the front surface side of the protective layer , the first threshold value is 200°C, the second threshold value is 150°C, the third threshold value is 300°C. the first color has a minimum value of a spectral reflectivity at a first wavelength and is yellow, the second color has a minimum value of a spectral reflectivity at a second wavelength that is longer than the first wavelength and is magenta, and the third color has a minimum value of a spectral reflectivity at a third wavelength that is longer than the second wavelength and is cyan. a first color developing layer which develops a first color at a temperature not less than a first threshold value; a second color developing layer which is arranged at the back surface side with respect to the first color developing layer , and develops a second color at a temperature not less than a second threshold value that is lower than the first threshold value; and a third color developing layer which is arranged at the front surface side with respect to the first color developing layer , and develops a third color at a temperature not less than a third threshold value that is higher than the first threshold value , a first spacer layer arranged between the first color developing layer and the second color developing layer ; and a second spacer layer arranged between the first color developing layer and the third color developing layer ; wherein the information recording medium further includes a protective layer arranged at the front surface side with respect to the third color developing layer ; wherein a thickness (TK1) of the first spacer layer is thinner than a thickness (TK2) from a surface at the back surface side of the first color developing layer to a surface at the front surface side of the protective layer , the first threshold value is 200°C, the second threshold value is 150°C, the third threshold value is 300°C. the first color has a minimum value of a spectral reflectivity at a first wavelength and is yellow, the second color has a minimum value of a spectral reflectivity at a second wavelength that is longer than the first wavelength and is magenta, and the third color has a minimum value of a spectral reflectivity at a third wavelength that is longer than the second wavelength and is cyan. <EOS>