Oak is naturally quite light in colour when new.
Fumed oak, an age old technique - The bench is placed in a sealed chamber and exposed to ammonia fumes for up to 48 hours. The ammonia penetrates deeply and reacts with the tannin in the oak. This naturally darkens the wood to a rich chestnut brown colour. for more information
Click HereNote: Garden furniture oil on Accoya wood is purely cosmetic and when applied periodically with a cloth or brush will prevent silvering of the wood over time.