How to shade white?

[patent jacinth]

I've been 'freestyling' most of this only to realize i... dont know how to shade white lmfao help pls

[red axle]

use blue tones maybe, but not so subtle it's blue

[thorn sundial]

What’s the environment

White shadows rely on bounce light

[steep sequoia]

Nice

[maiden geyser]

depends what kind of light there is in the environment

it isnt pure white right?

[crimson flare]

I do purplish blue shadows with orange edges. It could be anything tho

[sterile galleon]

I'd go with soft yellows and blues considering the environment

[gloomy sonnet]

Usually depends of lighting but in a neutral zone I often use grey with blue tones