It is a new mesh (not a simple recolor). Note that the original version was not hat-compatible due to UV mapping limitations.
Reference how other creators (like pxelpink ) have used the mesh for further recolors, showing the collaborative nature of the Sims modding community. [simblob] roxy hair.package
You can find the original download and creator notes on Simblob's Patreon . Roxy | Simblob - Patreon It is a new mesh (not a simple recolor)
Discuss why the original version lacked hat compatibility—likely because the hair occupied the "hat" space in the UV map to allow for more detail in the hair texture. You can find the original download and creator
The is a custom content (CC) file for The Sims 4 , created by the artist Simblob . While there is no official academic "paper" on this specific file, you can create a technical breakdown or a "study guide" for it based on its known specifications and creation history. Technical Profile: [simblob] roxy hair.package Release Date: April 22, 2019. Compatibility: Base game compatible.