Not sure "Gray" is the answer. I painted my 1710 years ago so don't have the codes anymore.
PPG PAINT CODES
Ford Beige--------------------------------------------33186
Ford Gray---------------------------------------------30570
Ford Gray---------------------------------------------32663
Ford Gray (1948 & 1954)-------------------------------32675
Ford Yellow-------------------------------------------82536
Ford Light Yellow-------------------------------------82549
Ford Red----------------------------------------------2833
Ford Red (1947)---------------------------------------70075
Ford Light Red----------------------------------------72598
Ford Equipment Dark Blue------------------------------12908
Ford New Tractor Red----------------------------------71969
Ford New Tractor Silver-------------------------------33442
Ford Tractor Blue (1962)------------------------------12720
Ford Tractor Blue (1963-1965) - M20J1639A-------------12809
Ford Tractor Buff-------------------------------------81339
Ford Tractor Gray-------------------------------------30448
Ford Tractor Gray (1965) - M20J1750-A-----------------32571
Ford Tractor Gray (1965)------------------------------32571
Ford Tractor Green------------------------------------42940
Ford Tractor Yellow (20J3132A)------------------------82179
Ford Tractor Yellow (New) (M2J5394-A)-----------------82291
Ford Tractor Orange Red-------------------------------71346
Ford Tractor Vermillion (1949)------------------------3155
Ford Tractor Vermillion-------------------------------70205
Ford Tractor White------------------------------------8712
Ford Tractor & Implement Buff #1640 (1967)------------22914
Ford Tractor & Implement Buff (1967)------------------4068
Ford Tractor & Implement Buff (1967)------------------4119
Another:
PPG Tractor Color Codes
Another:
::: Van Sickle Paint Company :::
More:
Ford Tractor Paint Color Codes - Tractor Paint Cross-Reference