Not really that odd is it? We've been doing it since 1980, many of our kits have had the badge in complimentary colours.
1980-1983 away (yellow) badge)
1985-1987 away (red badge)
1991-1993 away (chewits pattern behind the badge)
1993-1994 third (White badge)
1994-1997 third (yellow badge)...