If something is rufescent, it is slightly red or becoming red.
Rufescent is a fancy way to say something is turning red or is a little bit red.
Examples:
The rufescent leaves were beautiful in the autumn.
Her cheeks turned rufescent when she saw her crush.
The sky was rufescent as the sun set.
The apple was rufescent and looked very tasty.
The rufescent color of the sky made it look like the whole world was on fire.
The rufescent flower was the prettiest in the garden.