tea
"She added a slice of lemon to her rosy tea, which had been steeped in hibiscus and rose petals all morning."
reflecting optimism
"a rosy future"
"looked at the world through rose-colored glasses"
having the pinkish flush of health
"After a long hike, she stood in front of her teammates and flashed their rosy cheeks as proof that everyone was healthy enough to continue."
Rose-coloured.
"She wore rosy cheeks after spending too long outside in the winter sun."