I have come to the conclusion that the dark pages in the book are indeed too dark. I really wanted to keep the grey as I know through experimentation that the blue shades were too heavy. The main difficulty here was that the background was not the only grey on the page. There was the garden wall and the character of Clancy. This is where I had to try some different ways to make the font more visible.
I initially tried out Clancy in the shade of the background and the background as Clancy’s colour. I found this dark grey took away from his detail and I wasn’t happy with it. However, using the lighter grey as the background made the spreads look a lot better. So the problem lay with Clancy.

After getting feedback from a friend to change Clancys colour to that of an auburn/maroon shade, I said I would give it a go. However, after doing so, I wasn’t happy with this at all. My vision for Clancy was grey and this didn’t fit the bill at all.

An idea struck to go back and re-visit the idea of putting Clancy in a very light grey, almost white shade. I have attached below the newer on the left and the old shade on the right. I was thrilled with this. The last step was figuring out what shade to settle on for the wall and the background.

Finalised colour scheme for dark pages:
The final design actually worked out to be simply flipping around the colours that were already there. I used the previous colour of the wall for Clancy. I used the previous colour on the background for the wall and I used a very similar colour of Clancy for the background. I felt this really flowed well and the pages became instantly brighter. I was delighted with the finished colour scheme.
