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This is because orange shades often contain a high concentration of fluorescent chemicals and produce bright, vibrant effects when exposed to ultraviolet light. Orange shades are also highly visible under black light. White paints and fabrics are often treated with special dyes or pigments to make them brighter and more visible under ultraviolet light. White color glows pretty well under black light because it often contains a high concentration of fluorescent additives. However, it is important to note that even dark blues can sometimes appear to glow under certain conditions, especially if they have been treated with fluorescent additives.

This is because darker shades of blue absorb more ultraviolet light and appear more muted or gray when viewed in this type of lighting. In general, the lighter the blue color is, the more pronounced its glow will be under black light. However, this does not mean that darker greens can't glow under black light - just that they will generally be much dimmer than brighter greens or other colors. This is because fluorescent chemicals are typically most effective in lighter colors and less so in darker hues. Green, particularly light shades of green are one of the most commonly-recognized colors that fluoresce under black light. Black light is also used to detect counterfeit money Green Colors