High-contrasting, black and white images with sharp outlines are much easier for baby to see in the first few months of life while eyesight is still developing. At birth a baby's retina is not fully developed; a newborn retina can only detect EXTREME contrasts between light and dark, or black and white.Colors appear after the first few months. Color cards can be used for brain development.These can be used for your baby's eyesight and brain development.