Manga not being colored might be because it allows for faster production and publication. And in some cases, the style and mood of the story are better conveyed through black and white tones.
One reason could be that coloring manga pages takes a lot of time and effort. It's much more work-intensive than black and white.
Often, it's a matter of cost. Coloring manga for mass production can be expensive, so many publishers stick to black and white to keep costs down. Also, some artists prefer the artistic expression and contrast achievable in black and white.
The Bleach manga is not colored. It's common for manga to be in black and white to focus on the line art and storytelling. Color versions might exist in certain promotions or adaptations, but the core manga is monochrome.
Generally, manga are black and white. This is mainly due to cost and production time constraints. However, some popular series might have colored pages for special chapters or volumes.
The JoJo manga is mainly in black and white. Colored versions exist but are not the norm. Sometimes, colored illustrations are done for promotional purposes or by fans.
I'm not sure. You might need to search specific manga platforms or websites to find out.
Not usually. Most versions of the Isagi manga are in black and white.
Not always. A lot of manga is in black and white, but some are colored, especially those aimed at younger readers or special editions.
Not usually. Most versions of the Isobu manga are in black and white.
One reason could be that coloring manga pages takes a lot of time and effort, making it less feasible for regular production.
No, the original Bleach manga is typically in black and white.
One reason could be that black and white allows for more emphasis on linework and shading, creating a unique artistic style.