Ok, misunderstood, indeed the font color is not changing on active for the page menu. This is because it assigns the 'active' class to the <anchor> tag, while the styling was for the li.active a. Easy fix, add #nav a.active as per below:
If using the dark version, dark.css (around line 77):
`
h1#logo a, h1, h2, h3, #nav li.active a, .date, .counts, .tags, #copy, input, textarea, select, .side-menu li a, #cycle li h3 a, #ss-title, #nav a.active {
color: #FFFFFF;
}
`
or if using the light version, light.css (around line 77):
`
h1#logo a, h1, h2, h3, #nav li.active a, .date, .counts, .tags, #copy, input, textarea, select, .side-menu li a, #cycle li h3 a, #ss-title, #nav li a.active {
color: #111111;
}
`