The following color names are predefined in HALCON.
| Color Name | Color | Hex Triplet |
| white | sample | #FFFFFF |
| red | sample | #FF0000 |
| green | sample | #00FF00 |
| blue | sample | #0000FF |
| dim gray | sample | #696969 |
| gray | sample | #BEBEBE |
| light gray | sample | #D3D3D3 |
| cyan | sample | #00FFFF |
| magenta | sample | #FF00FF |
| yellow | sample | #FFFF00 |
| medium slate blue | sample | #7B68EE |
| coral | sample | #FF7F50 |
| slate blue | sample | #6A5ACD |
| spring green | sample | #00FF7F |
| orange red | sample | #FF4500 |
| dark olive green | sample | #556B2F |
| pink | sample | #FFC0CB |
| cadet blue | sample | #5F9EA0 |
| goldenrod | sample | #DAA520 |
| orange | sample | #FFA500 |
| gold | sample | #FFD700 |
| forest green | sample | #228B22 |
| cornflower blue | sample | #6495ED |
| navy | sample | #000080 |
| turquoise | sample | #40E0D0 |
| dark slate blue | sample | #483D8B |
| light blue | sample | #ADD8E6 |
| indian red | sample | #CD5C5C |
| violet red | sample | #D02090 |
| light steel blue | sample | #B0C4DE |
| medium blue | sample | #0000CD |
| khaki | sample | #F0E68C |
| violet | sample | #EE82EE |
| firebrick | sample | #B22222 |
| midnight blue | sample | #191970 |
| sea green | sample | #2E8B57 |
| dark turquoise | sample | #00CED1 |
| orchid | sample | #DA70D6 |
| sienna | sample | #A0522D |
| medium orchid | sample | #BA55D3 |
| medium forest green | sample | #6B8E23 |
| medium turquoise | sample | #48D1CC |
| medium violet red | sample | #C71585 |
| salmon | sample | #FA8072 |
| blue violet | sample | #8A2BE2 |
| tan | sample | #D2B48C |
| pale green | sample | #98FB98 |
| sky blue | sample | #87CEEB |
| medium goldenrod | sample | #EAEAAD |
| plum | sample | #DDA0DD |
| thistle | sample | #D8BFD8 |
| dark orchid | sample | #9932CC |
| maroon | sample | #B03060 |
| dark green | sample | #006400 |
| steel blue | sample | #4682B4 |
| medium spring green | sample | #00FA9A |
| medium sea green | sample | #3CB371 |
| yellow green | sample | #9ACD32 |
| medium aquamarine | sample | #66CDAA |
| lime green | sample | #32CD32 |
| aquamarine | sample | #7FFFD4 |
| wheat | sample | #F5DEB3 |
| green yellow | sample | #ADFF2F |