render the architectural elevation in a soft minimalist watercolor sketch style use warm desaturated beige and cream tones for the building surfaces paired with thin clean black linework for window frames incorporate subtle pencil like edge strokes and delicate shading surround the building with loose airy botanical elements lightly sketched trees and shrubs in muted greens and browns with a semi transparent hand painted quality maintain a bright white background with low contrast and a calm natural aesthetic overall look should be elegant modern and artistic blending architectural precision with soft illustration textures match the lighting tones textures and mood of the reference image the exterior material of the house is black vertical metal siding with a black metal roof