lightness

n.

轻；轻快；轻率；明亮

1. Notice the lightness and colour in the sky, in photographs the colour is stronger than it looks to the naked eye.
   注意天空的亮度和色彩,照片中的色彩比肉眼看到的要强烈。
2. It has much more sharply tapered edges, and a new, optional, white color adds to the sense of lightness.
   它的边缘削得更厉害
3. As He put on his new robe, an unbearable lightness of being never felt before overwhelmed Him.
   玉帝的新袍缝好当日,他急不及待穿上,然后感到前所未有的轻盈,甚至比羽毛还要轻。
4. He moved with quickness and lightness.
   他动作敏捷、轻盈。
5. The reader who does not detect the seriousness under the lightness often misreads him.
   没有意识到轻松掩盖下的严肃性的读者常常会误解他。

Determining lightness from an image
An anchoring theory of lightness perception
Method and apparatus for lightness imaging
Perceived lightness depends on perceived spatial arrangement.
Formal connections between lightness algorithms
GLHS: A Generalized Lightness, Hue, and Saturation Color Model
Boundary conditions for lightness computation in Mondrian World
Apparent surface curvature affects lightness perception
When does perceived lightness depend on perceived spatial arrangement?
Kit comprising ranges of cosmetics and a system for analyzing skin lightness level