He was born on Klevas II, and became a junior intelligence officer, rising to the rank of lieutenant. However, his Family Line was dishonored by the actions of another member, and Kolor felt that this limited his promotion prospects. He treated his missions as chances to regain his honor, and would not endanger them in any way, even at the cost of his own life. Nevertheless, he spent some time conducting routine intelligence gathering along the edge of the Organian Treaty Zone.
In reference stardate 2/14 (circa 2273), Kolor was assigned to the Daros Operation on Daros IV, as part of the Daros Liaison Team, serving under Commander Kothaar. Here, he operated in the guise of an independent Klingon merchant, or smuggler, who sold Kolothian Whipcrack to the Orion smuggler Ivra Kerav. In this capacity, he coordinated shipments of Klingon goods to the Kerav Family, of everything from the Kolothian Whipcrack to aircars, computer parts, navigation software, dilithium crystals and disruptors. However, he did not know the full details of Kothaar's plan, and and received his instructions through Keravkar, the Kerav Family's mansion. He fulfilled this duty for at least six months.
Kolor was a fairly typical Klingon, fearless and superior. However, he had a loud and irritatingly high-pitched voice. At the time of the Daros Operation, Kolor was aged 35, weighed 160 pounds and was 5'11" tall. (FASA RPG module: Orion Ruse)