Color Analysis. Use your smartphone to MEASURE colors (HSV, RGB and CIE La b ). Also, convert colors spaces CIE La b values to C, Hº, RGB, XYZ and #HEX! Save all and export all to Excel spreadsheet (. Xls) easy and quickly! You want this app! Download now! Use with confidence! See our references bellow: Summary of features. Converts CIE L a b RGB, XYZ and HEX.