Why match real-world colors?
Game designers, or other virtual environment builders, can gain by correcting the luminance and chrominance (color) of their images. Ideally, if two distinct texture patterns from different source photos of the same subject were placed side by side in a virtual world, they should look very similar color-wise. Pine trees made from one photograph should look like pine trees made from another photograph. This becomes important when building a texture library. Each pattern in the library should have colors which fall into consistent ranges for similar things. Large discontinuities in lightness or color amongst vegetation are noticeable in virtual space and detract from the experience. In a military simulation, if a terrain texture pattern has too little contrast, targets are too easy to detect. If a terrain texture pattern has too much contrast, then targets are too difficult to detect. Matching real world colors and contrasts helps ensure fair and accurate simulations in standalone or net
