| 0 0 0 0 | 0 0 0 1 | 0 0 1 0 | 0 0 1 1 | |
|---|---|---|---|---|
| 0 0 0 0 | #000000 (black) | #0000AA (blue) | #00AA00 (green) | #00AAAA (cyan) |
| 0 1 0 0 | #AA0000 (red) | #AA00AA (magenta) | #AA5500 (brown*) | #AAAAAA (lightgray) |
| 1 0 0 0 | #555555 (darkgray) | #5555FF (lightblue) | #55FF55 (lightgreen) | #55FFFF (lightcyan) |
| 1 1 0 0 | #FF5555 (lightred) | #FF55FF (lightmagenta) | #FFFF55 (yellow) | #FFFFFF (white) |
The color index is obtained by adding the column and row headings.
* Brown is a special-case hack; note that the green intensity dropped.