About: http://webisa.webdatacommons.org/427016323

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In particular, the eye is a good deal less sensitive to differences in chroma (c* = (a*2 + b*2 )1/2 ; i.e., intensity of color) for strongly chromatic colors than it is to hues (hue angle = h* = arctan(b/a) ).
http://www.w3.org/ns/prov#wasQuotedFrom	gamutvision.com