General Terms:
* Color Analysis: This is a broad term that encompasses many techniques for studying color.
* Colorimetry: This refers to the measurement of color using instruments.
* Chromatography: This is a technique used to separate mixtures based on their different affinities for a stationary phase. It's often used to analyze colored substances.
* Spectrophotometry: This involves using light to measure the absorption and transmission of substances, which can be used to identify and quantify colored compounds.
More Specific Terms:
* Dye analysis: Specifically for investigating dyes.
* Pigment analysis: Specifically for investigating pigments.
* Forensic color analysis: This is used in criminal investigations to analyze evidence like paint, fibers, or inks.
The best name will depend on the specific context and the methods you're using. If you could provide more details about what you're trying to achieve, I could give a more specific answer.