In vanilla, light is always orange (torch) or white (sun). Shaders allow colored light—redstone torches cast a crimson glow, soul fire emits turquoise, and stained glass filters light into vibrant hues. Light also bleeds softly around corners, mimicking real-world diffusion.
Vanilla Minecraft has no true shadows. Light shaders add them—blocks cast shadows based on the sun’s angle, leaves create dappled light on the ground, and you’ll see your own shadow move as you walk. minecraft light shaders
For most Java players, a good light shader offers 90% of the visual impact with far better performance and compatibility. In vanilla, light is always orange (torch) or white (sun)