Books like Forbidden Colors
Yukio Mishima, Noriko Thunman
Forbidden Colors is 403 pages, about 7 hours 23 minutes at 250 words a minute.
12 books to read next
How long each takes
Funny Boy 5.8 h 
Less 5.1 h 
Red, White & Royal Blue 8.1 h 
Novels 4.7 h 
The End of Eddy 3.5 h 
Lawnboy 7.0 h 
The Farewell Symphony 9.2 h 
Norwegian Wood 7.1 h 
A Portrait of the Artist as a Young Man 4.6 h 
Find Me 4.9 h 
When The Stars Come Out 5.9 h 
Silence 5.4 h Bar height shows length. Estimated at 250 words a minute.