On November 19, 2019, it was announced that Colyn would be joining Dutch club PSV for a 10-day training stint.[3]
On October 7, 2020, Colyn joined Italian Serie B side SPAL on loan until June 2021, with an option for the club to make the deal permanent.[4]
Jong PSV
On August 27, 2021, Colyn joined Dutch Eerste Divisie side Jong PSV, the reserve team of PSV, on loan until June 2022, with an option to buy.[5] He made his debut on September 13, subbing in for Jong PSV in a 2–1 defeat to Utrecht. He scored his first goal for the club on December 6 against De Graafschap.[6] He signed a permanent deal with the club on July 20, 2022, penning a two-year contract.[7]
De Graafschap
In August 2023, Eerste Divisie side De Graafschap announced they had transferred Colyn from Jong PSV, with the player signing a two-year contract.[8][9] He made his debut on August 21 against his previous club Jong PSV, and had an assist on David Flakus Bosilj's goal in a 2-1 victory.[10] Colyn scored his first goal on October 6 against Willem II, netting the second goal for De Graafschap in an eventual 4-2 away defeat.[11]
International career
Colyn was called up to a U-15 youth identification camp for Canada in 2017 under coach Rob Gale.[12] For the CONCACAF Under-17 Championship, Colyn was named the captain for Canada and helped the team qualify for the 2019 FIFA U-17 World Cup.[13]