Blue numbers are a kind of optical phantasm that may be created by putting two totally different shades of blue subsequent to one another. The lighter shade of blue will seem like lighter than it really is, whereas the darker shade of blue will seem like darker than it really is. This phantasm is attributable to the way in which that our brains course of shade. Once we take a look at a light-weight shade subsequent to a darkish shade, our brains are likely to interpret the sunshine shade as being even lighter than it really is. Conversely, after we take a look at a darkish shade subsequent to a light-weight shade, our brains are likely to interpret the darkish shade as being even darker than it really is.
Blue numbers can be utilized to create quite a lot of attention-grabbing visible results. For instance, they can be utilized to create the phantasm of depth or motion. They may also be used to create a way of distinction or emphasis. Blue numbers are sometimes utilized in promoting and design, as they can be utilized to draw consideration and create a memorable impression.
