Breast milk can vary in color, and it is normal for it to change from time to time. The color of breast milk can range from yellow, white, clear, cream, tan, blue-tinged, green, pink, or even black. However, the most common colors are white or blue, and breast milk is usually lighter in appearance, although it can have a slightly yellowish or bluish hue. The color of breast milk can depend on various factors, such as how long you have been breastfeeding, the type of milk produced, and what you have eaten. For example, colostrum, which is the first milk produced after giving birth, is typically yellowish, and mature breast milk is typically bluish-white. Breast milk can also turn yellow if it has been refrigerated or frozen, or if you have eaten a lot of yellow or orange foods like carrots or sweet potatoes. Green breast milk can be caused by consuming green vegetables like spinach, seaweed, and kale, or by consuming food dyes. Pink, red, or rust-tinged breast milk can be caused by blood from a cracked nipple or a small amount of blood from inside the breast. However, if you notice any unusual colors or smells in your breast milk, it is always a good idea to consult with a healthcare provider to rule out any potential issues.