Lighting and shading
Thanks to subscriber Mary Cagle who generously shares some thoughts on lighting and shading.
HUES
Like all shading techniques, it's important to choose the right color for the shades. I have three main colors I use:
To the upper left you'll see the color of the multiply layer I made above the flats. I like to use a reddish hue in daytime or indoor lighting, since it adds more warmth to the characters. Nighttime almost always incorporates some blue, though it'll look like things are underwater if you use too much.