A repaired spot can remain visible because its sheen differs from the surrounding paint. Side lighting often reveals that difference. Include a wider room view and discuss the finish expectation before deciding whether to paint a tiny area or a complete bounded section.
An old tin label can help identify the intended colour, but the existing wall may have aged. Tell Fix Nik whether paint is available and how it has been stored. An identical colour name does not promise an invisible match.
A mark on intact paint is different from a dent, torn wall surface or loose coating. Show the affected area close up and from across the room. The underlying condition decides whether touch-up painting is appropriate or a separate repair is needed.
The agreed service covers sound interior walls, light preparation, agreed local coating and colour-match assessment. Exclusions: Whole-house repainting, external facades, unresolved damp, lead/asbestos disturbance, structural patch work.