The phrase "pinkish color" means a color that is similar to the color pink, but not exactly the same. It may have a slight tint or shade of pink in it. Full definition
Although these really didn't need it for the color since the raspberries already gave it a pretty pinkish color, I added a beet to it anyway. (thehealthyfamilyandhome.com)
It has a slight pinkish color which actually gives your skin a glow - I love it! (mayachia.com)
It wasn't as stark of a transformation as the almond - milk version — the color change seems to be linked to the Frappuccino melting — but it developed into a pretty light pinkish color. (businessinsider.com)