Authorship Breakdown 6 / 6 documented
Who wrote the songs?
Scored across the 6 tracks with documented writers, by whether Cortis carries a lyricist or composer credit.
6 trackswritten by Cortis
0 tracksoutside writers
Cortis's roles on this album
Share of the 6 tracks where a band member is credited, by role.
Lyricist100%
Composer100%
Producer33%
Performer100%
By the Numbers
6
Tracks
19
Lyricists
10
Producers
2025
Released
Data Insight
All five members write on this record, which is not how a debut idol EP usually reads. Martin and Seonghyeon are on all six, Keonho and Juhoon on five each and James on four, and both Martin and James take production credits on “Joyride” and “Lullaby”. Supreme Boi and Hiss Noise, both long-time BigHit producers, are on every track.
Color Outside the Lines is the debut EP by Cortis, released on 8 September 2025 through Big Hit Music. Six tracks run under eighteen minutes. It entered the Billboard 200 at number 15, the second-highest debut for a K-pop act, and closes with a version of 'What You Want' featuring Teezo Touchdown.
Track Listing & Credits 6 tracks
Written by the artist
Written by outside writers
| # | Title | Lyricist(s) | Composer(s) | Producer(s) | Performers |
|---|---|---|---|---|---|
| 1 |
Go!
|
Johnny GoldsteinSupreme BoiMartinHiss NoiseJamesMary Lou MortimerSeonghyeonKeonhoJuhoon | Johnny GoldsteinSupreme BoiMartinHiss NoiseJamesMary Lou MortimerSeonghyeonKeonhoJuhoon | Johnny GoldsteinHiss NoiseSupreme Boi | James (Vocals)Juhoon (Vocals)Martin (Vocals)Seonghyeon (Vocals)Keonho (Vocals) |
| 2 |
What You Want
|
Supreme BoiTeezo TouchdownHiss NoiseZach FogartySeonghyeonSlush Puppy"Hitman" BangMartinKeonhoJuhoon | Supreme BoiTeezo TouchdownHiss NoiseZach FogartySeonghyeonSlush Puppy"Hitman" BangMartinKeonhoJuhoon | Supreme BoiHiss NoiseZach FogartySlush Puppy"Hitman" Bang | James (Vocals)Juhoon (Vocals)Martin (Vocals)Seonghyeon (Vocals)Keonho (Vocals) |
| 3 |
Fashion
|
Supreme BoiMartinHiss NoiseSlush PuppyGino the GhostAnthony WattsKeonhoSeonghyeonJuhoon | Supreme BoiMartinHiss NoiseSlush PuppyGino the GhostAnthony WattsKeonhoSeonghyeonJuhoon | Supreme BoiHiss NoiseSlush Puppy | James (Vocals)Juhoon (Vocals)Martin (Vocals)Seonghyeon (Vocals)Keonho (Vocals) |
| 4 |
Joyride
|
Hiss NoiseMartinAustin CoronaWyatt BernardDCFKristin CarpenterSeonghyeonSupreme BoiJamesJuhoonKeonho | Hiss NoiseMartinAustin CoronaWyatt BernardDCFKristin CarpenterSeonghyeonSupreme BoiJamesJuhoonKeonho | Hiss NoiseAustin CoronaWyatt BernardMartinJames | James (Vocals)Juhoon (Vocals)Martin (Vocals)Seonghyeon (Vocals)Keonho (Vocals) |
| 5 |
Lullaby
|
MartinJamesSupreme BoiHiss NoiseSeonghyeon | MartinJamesSupreme BoiHiss NoiseSeonghyeon | MartinSupreme BoiHiss Noise | James (Vocals)Juhoon (Vocals)Martin (Vocals)Seonghyeon (Vocals)Keonho (Vocals) |
| 6 |
What You Want
|
Teezo TouchdownSupreme BoiHiss NoiseZach FogartySeonghyeonSlush PuppyMartinKeonhoJuhoonJames | Teezo TouchdownSupreme BoiHiss NoiseZach FogartySeonghyeonSlush PuppyMartinKeonhoJuhoonJames | Supreme BoiHiss NoiseZach FogartySlush Puppy"Hitman" Bang | James (Vocals)Juhoon (Vocals)Martin (Vocals)Seonghyeon (Vocals)Keonho (Vocals)Teezo Touchdown (Vocals) |
Songwriter & Credit Spotlight 19 contributors
HN
Hiss Noise
Writer · Producer
SB
Supreme Boi
Writer · Producer
M
Martin
Writer · Producer · Vocals
S
Seonghyeon
Writer · Vocals
J
Juhoon
Writer · Vocals
K
Keonho
Writer · Vocals
J
James
Writer · Producer · Vocals
SP
Slush Puppy
Writer · Producer
ZF
Zach Fogarty
Writer · Producer
TT
Teezo Touchdown
Writer · Vocals
"B
"Hitman" Bang
Writer · Producer
AC
Austin Corona
Writer · Producer
More from Cortis
Frequently Asked Questions Color Outside the Lines
Who wrote Color Outside the Lines?
All five members contribute. Martin and Seonghyeon are credited on all six tracks, Keonho and Juhoon on five each and James on four, alongside Supreme Boi and Hiss Noise.
When was Color Outside the Lines released?
8 September 2025, through Big Hit Music. It is the group’s debut EP.
How did it chart?
It entered the Billboard 200 at number 15, the second-highest debut placing ever recorded by a K-pop act.
Who produced the EP?
Supreme Boi and Hiss Noise across all six tracks, with Johnny Goldstein, Slush Puppy, Zach Fogarty, "Hitman" Bang, Austin Corona, Wyatt Bernard and members Martin and James on individual songs.
Is Teezo Touchdown on the EP?
Yes, on the closing version of "What You Want", which he also co-wrote.
How long is Color Outside the Lines?
Six tracks running 17 minutes and 33 seconds.