Page:JOSA-Vol 06-06.djvu/50



Monochromatic Analyses of Certain Ridgway Colors*


 * The numbers in column 1 show the spectral order of the thirty-six undiluted Ridgway chromas. Column 2 gives the names assigned to certain of the colors by Ridgway. Column 3 shows the wave-length of the dominant hue and column 4 the per cent. hue. Columns 5, 6, and 7 list the differences between succeeding members in wave-length, Steindler “hue scale,” and Jones “hue scale” units respectively (See Jones, Ref. , pp. 73-77).