also: ぎゃくこうせん
noun
backlight; illumination from behind
Refers to light coming from behind the subject, especially in photography or visual descriptions. The cross-reference 逆光 is a more common synonym.
See also: 逆光
逆光線で写真を撮ると、被写体が暗くなることがある。
When you take a photo with backlight, the subject can become dark.
This painting effectively captures the backlighting.