Blue hour
蓝调时刻 · 蓝调 · 暮色 · twilight

What it is
After sunset the sky turns deep blue and city lights begin to glow.
When to use it
Melancholy, stillness, transition, city-at-dusk openings.
When not to
Warm or bright moods.
Often confused with
- Golden hour
Golden hour is warm direct sunlight.
Common generation mistakes
SymptomIt turns into full night or daytime.
FixState the cool blue sky just after sunset with lights just turning on.
Combinations Rolin checks
- Warning
Blue hour calls for a cool colour temperature (7000K or more)
- Warning
A black-and-white image loses neon, golden-hour or blue-hour colour
- Warning
Sepia and silent-film tinting are monochrome and lose neon, golden-hour or blue-hour colour