100 Doors Walkthrough Level 17 (TEXT/PHOTOS) Posted by Jared on July 16, 2012 Leave a Comment 1 bar = red, 2 bars = green, 3 bar = blue. Tap the left side so from top to bottom it is green, red, red, and the right side from top to bottom is red, blue, green. Tap the green arrow in the door. Check out the walkthroughs for the other levels. If you need any more help check out the video below.