There are a lot of ways to be masculine and there is no one style or color palette that indicates something is masculine. However, this house from the designers
Abstract Oil Painting Black White Oil by HuiXinZhaiArtStudio
The Poliform Showroom_Concept Living by Poliform - I like the furniture and windows.
JS | JS DESIGNER'S OFFICE
Wall System moka glossy lacquered, Bold sliding doors in black hide and guide rail moka mat lacquered.
JS | JS DESIGNER'S OFFICE on Behance
PAVIMENTO/RIVESTIMENTO IN GRES PORCELLANATO EFFETTO CEMENTO MEMORIES BY CERAMICA SANT'AGOSTINO