Abstract
This paper aims to examine the usage of custom color names in JIS Z 8102 “Names of non- luminous object colors" from color naming task with PCCS color cards. At the "Green" (hue number : 12) in PCCS, color naming "Midori" ("Green" in Japanese name) as a basic color name appears in wide tone range. And comparison of classification in color naming with three saturation zones reveals that color names in JIS Z 8102, especially basic color name "Midori" appears in the high saturation area than middle and low one.