For instance, in bright sunlight, geranium flowers appear bright red against the dull green of their leaves, but in the same scene viewed at dusk, the contrast is reversed, with the petals appearing a dull red against paler green leaves.
Geranium flowers appear bright red against the dull green of their leaves. This is in bright sunlight. This is for instance. The contrast is reversed. This is with the petals. This is for instance. This is in the same scene. This same scene is viewed at dusk. These petals are appearing a dull red against paler green leaves.