I think to ensure readability it caps the colour at the lower end, so #950, #951, #952 all show up the same. That's my best guess. EDIT: But from reading the

I think to ensure readability it caps the colour at the lower end, so #950, #951, #952 all show up the same. That's my best guess. EDIT: But from reading the code there seems to be no such logic. Strange, because I observed the same thing, in Firefox on Android.