Originally Posted by zhm
Regarding the value (darkness/lightness) of sky holes, I thought that they are shown (painted or drawn) as darker than the unobstructed sky since the amount of light passing through the hole is less (and is obstructed to some degree).
quantity and intensity are two different things. Light shining thru the sky holes has the same intensity as the rest of the sky. Since holes are surrounded by darker tree area, you have to make the sky lighter. If you made the sky holes the same value they would appear to be darker than the sky. Youtube video that demonstrates this https://www.youtube.com/watch?v=z9Sen1HTu5o