EF Brand guidelines has some errors

On page 12 of the EF Brand Guidelines doc, there are a few errors:

1. Shades of #89522 should be #F89522
2. Shades and Tints of #F89522 as the same as the grey ones just above
3. Primary color is HEX #3d3c3b yet shades and tints of it reference unknown colour #e6e7e8