The color scheme atom is an array of 8 color references (COLORREF), which contain the RGB value for each color in the color scheme. The order of scheme colors is as in the custom tab of the Color Scheme dialog:
[0] Background
[1] Text and lines
[2] Shadows
[3] Title text
[4] Fills
[5] Accent
[6] Accent and hyperlink
[7] Accent and followed hyperlink