How can you see the colours of chemicals present in bright coloured chocolate beans?

The vibrant colors of chocolate beans, such as those found in candy-coated chocolates, come from dyes and pigments added during the manufacturing process. These colorants absorb certain wavelengths of light while reflecting others, resulting in the perceived colors. By using techniques like thin-layer chromatography or spectrophotometry, one can separate and analyze these colorants to identify the specific chemicals responsible for the bright hues. Additionally, visual observation under controlled lighting can help discern the colors visually, but chemical analysis provides a more precise understanding.