Knowra Paint color matching Paint color matching Paint color matching is the process of measuring a sample’s color and adjusting paint pigments to reproduce it. Retail systems commonly use spectrophotometers and computerized tint formulas.
Spectrophotometry : The measurement of how matter interacts with light across different wavelengths. A spectrophotometer measures the sample’s wavelength-dependent reflectance before a formula is calculated.
CIE 1931 color space : A color space based on the CIE standard observer and mathematical representations of visible color. It provides a standardized way to express measured color independent of a particular paint brand.
Color matching in automotive paint : The measurement and adjustment of automotive coatings to match a vehicle’s finish. Automotive repair faces similar measurement challenges, but metallic effects and weathering complicate matching.
Visual color matching : The adjustment of colors by direct human observation rather than instrument-based measurement. It can refine a formula, but its judgments vary with lighting, vision, and surrounding colors.
Colorimetry : The measurement and specification of color using numerical models of human visual response. Color coordinates turn a physical sample into values that can be compared with paint formulas.
CIELAB color space : A perceptually organized color space with lightness and two opponent-color coordinates. Its coordinates help describe whether a paint is too light, green, red, blue, or yellow.
Color matching in textiles : The measurement and adjustment of dyes or pigments to meet a target textile color. Fabric illustrates how substrate, texture, and finishing alter a color match.
Color formulation : The calculation of ingredient proportions needed to produce a target color. Formulation predicts a mixture; retail matching also requires dispensing, application, and verification.
Kubelka–Munk theory : A model relating diffuse reflectance to absorption and scattering in optically thick materials. It helps explain how pigment concentration and paint opacity affect measured color.
Illuminant : A defined light source or spectral power distribution used to assess color. A match can look different under daylight, store lighting, and incandescent light.
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