1. Keep the chroma in the moonlight low--not too intense of a blue-green. Hint of blue in far distance.
2. Put a slight warm halo around the moon and edge-light the adjacent clouds.
3. Keep the key of the painting relatively high.
4. Suppress all detail in the shadows and put some texture and variety in the lights.
5. Introduce a gradual stepping back of value, lightening as it goes back (to the far minaret).
Notes from James Gurney Color and Light
- Moonlight is simply the white light of the sun reflecting off the gray surface of the moon.
- There is nothing in that interaction to give the light a bluish or greenish quality.
- Scientific instruments hav shown that the light from the moon is very slightly redder than the average color of direct sunlight.
- Rods in our eyes are most sensitive to greenish wavelengths of light, as a result blue-green hues appear lighter in tone in dim conditions, called Purkinje shift.
- Away from the streetlights you can't see the cracks in the sidewalk, blades of grass, etc. everything look blurry.
- if you use night photography as reference, remember that the camera does not see as the eye sees, particularly at night.
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