Consolidate colors

[briankoser]

Currently using 10 different colors; if possible reduce to 6: black, white, teal, dark grey, medium grey, light grey (checked are necessary).

• [x] #006b9f
• [x] #000
• [ ] #333
• [x] #444
• [ ] #aaa
• [ ] #ccc
• [ ] #eee
• [ ] #f7f7f7
• [x] #fff

#8085c1 #222