Which instrument helps ensure color accuracy by measuring reflected light from a painted surface?

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Color accuracy is measured by quantifying how much light is reflected from the painted surface at different wavelengths. A spectrophotometer does exactly that: it shines light on the surface, analyzes the spectrum of the reflected light, and outputs precise color data in standardized color spaces. This objective data lets you compare the sample to a target shade, adjust the paint formulation, and verify a consistent match under standard lighting conditions. The other tools don’t serve this purpose: a microscope magnifies tiny details, not color across the spectrum; a thermometer measures temperature; a caliper measures dimensions. Using a spectrophotometer provides reliable, reproducible color information essential for true color accuracy.