ACAD_COLOR Enum
From AEC Auto

| Name | Value | Description |
|---|---|---|
| acByBlock | 0 | The color defined for the object's block. |
| acRed | 1 | |
| acYellow | 2 | |
| acGreen | 3 | |
| acCyan | 4 | |
| acBlue | 5 | |
| acMagenta | 6 | |
| acWhite | 7 | |
| acByLayer (not valid for Layer object) | 256 | The color of the layer the object is on. |