To fade in colour; to lose brightness or colour—used when dye, fabric, or color becomes less vivid.
長年の直射日光で布の色が褪めてしまった。
The fabric's color has faded due to years of direct sunlight.
赤い染料は洗濯で簡単に褪めることがある。
Red dyes can sometimes fade easily with washing.
顔の紅潮が褪めて、元の色に戻った。
The flush in her face faded and returned to its original color.