On my Likebook Mars, which displays red as black, the shades, while distinguishable, are close together, particularly in A2 mode. So, I would recommend another color for the light squares.
I'll also mention for H. G. that the text with a red background appears all black on my Likebook Mars, making it unreadable.
On my Likebook Mars, which displays red as black, the shades, while distinguishable, are close together, particularly in A2 mode. So, I would recommend another color for the light squares.
I'll also mention for H. G. that the text with a red background appears all black on my Likebook Mars, making it unreadable.