Returns a list of symbols whose symbol-names contain substring and which are defined as original entries in the color-database defining color aliases. By convention these are in the keyword package.
COLOR 14 > (define-color-alias :mygray100 :gray100)
(#S(COLOR-ALIAS COLOR :GRAY100))
COLOR 15 > (apropos-color-names "GRAY100")
(:MYGRAY100 :GRAY100)
COLOR 16 > (apropos-color-spec-names "GRAY100")
(:GRAY100)
COLOR 17 >
CAPI User Guide and Reference Manual (Windows version) - 3 Aug 2017