1) Note 46mm blind colour can be a graded blind from top to bottom 10% dark grading medium to light ( light being 80% of blind ).
2) You can also have a medium to light blind or a medium to dark blind in 46mm oiled blinds.
3) 70mm is restricted to graded blind only in oiled blinds.
4) Limed blinds can be tinted to any colour in 46mm and 70mm. Strait limed is white.
The 70mm wide blade for exterior blinds can be seen in the liming sample on this page and also comes in an oiled and painted finish.