変へん色しょく

noun, noun or participle which takes 'suru', intransitive verb, noun which may take the genitive case particle 'no'

change of color; discoloration; fading

Covers both intentional and unintentional color changes, including fading, staining, or chemical discoloration. Often used for leaves, fabrics, photographs, or materials.

• 紅こう葉ようが赤あかく変へん色しょくし始はじめた。

  The autumn leaves have started to turn red.

• この