You need to pay close attention to the details and look for clues throughout the story. Sometimes, it could be hidden in a special scene or behind an object.
Yes. In graphic novels, 'le bleu est une couleur chaude' can be a very unique concept. It goes against the common perception that blue is a cold color. This might be used in a graphic novel to create a special atmosphere or to convey a different kind of emotion. For example, the artist might use blue in a way that gives a feeling of warmth and passion, which is different from how we usually view blue.
One way is through the use of lighting. If a scene in a graphic novel has a blue - tinted light that is also associated with positive and warm emotions like love or hope, it can show that blue is a warm color in that context. Also, characters dressed in blue can be shown in situations where they are sources of warmth, like a blue - clad hero saving the day and bringing comfort to the people.
Often, these cartoons might focus on leadership styles, political decisions, or comparisons of their eras. But it depends on the artist's perspective and the context.
Cartoons often show it through shared experiences and learning from each other. They might have scenes of an old person teaching wisdom and a young person bringing new ideas.