I found the name Intecolor in one of the EMAS source codes (readme / emas2900/deimos)
color definitions
FILE ‘ERCM08.INC_COLOURDEFS’
%CONSTINTEGER BLACK=16
%CONSTINTEGER RED=17
%CONSTINTEGER GREEN=18
%CONSTINTEGER YELLOW=19
%CONSTINTEGER BLUE=20
%CONSTINTEGER MAGENTA=21
%CONSTINTEGER CYAN=22
%CONSTINTEGER WHITE=23
%CONSTINTEGER CURBACK=BLACK; !BACKGROUND FOR EVERYONE
! *** OWN ROUTINES FOR DRIVING INTECOLOUR DISPLAY
!FILE ‘ERCM08.COLOURS’
!