Portable electronic color sensor with digital interface for measuring, scaling, scanning, comparing, calibrating and converting of colors of egg yolks for the purpose of evaluating egg yolks; software programs for measuring, scaling, scanning, comparing, calibrating and converting of colors of egg yolks for the purpose of evaluating egg yolks

Color fan, consisting of color sampling cards for measuring and scaling of colors; color cards, namely, printed materials in the nature of color samples