I hope you enjoy this rerun (with a bit of augmenting) from November, 2016.
These two photos of the same subject were taken within minutes of each other. The one on the left is in direct sunlight. Then clouds moved in front of
the sun and I took the one on the right. Notice how, when the leaves became shaded by clouds, the hue, value and intensity changed in that isolated leaf towards the top, along with those like it.
In outdoors on an overcast day, if the sunlight is diffused by cloud cover, we have scattered rather than direct light rays. In
essence, everything underneath the cloud cover is now in shade. Even the lightest lights (strictly speaking) are in shade, changing their color as we see it.
In this light, the value relationship changes. A moderate value contrast often will change towards minor
like we see happening in the circled leave above. Notice that in diffused light, it is the lightest values that change whereas the shadow values remain pretty much the same.
I realize that not in all areas, and certainly not on all days, will there be clouds moving in the sky that, from time to time will block the rays of the sun. So
this little exercise is one for you to do when you have one of those moments.
Focus on areas that are sunlit
and do some quick color splotches of where the sun is hitting
as well as any shadows around the area.
Wait for the clouds to block the sunlight, then as quickly as you can
do color splotches of those same areas.
You will be amazed!
Enjoy a enlightening weekend!
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