Off whites are made using any of the colorant tints, singly or in combination.
The most common we used was a couple of drops of an orange, to create a "warm" off white. And a "cool" off white was made using a couple of drops of green.
TINT is paint that you got to add white to finish
Almost all paint stores will tint their paint free of charge.
No you can use the white base without adding any color if you want
a tint of or pink
Baby blue is a tint of blue, to make it add a little white to blue till you get the desired tint :)
Pre tinted paint usually refers to paint that contains pigment giving it color. "Base" paint is generally some shade of white that can be tinted to create an array of colors.
Tint
The combination of a color with white to make it lighter.
To get a tint of a color, you can add white to the base color. The amount of white added will determine the lightness of the tint, with more white resulting in a lighter tint. Mixing the white and base color thoroughly will create the desired tint.
You add black to a colour to make it a tint.
Paint
Adding white to yellow make a lighter tint of yellow.