Mouthwash often appears blue or green due to the inclusion of color additives, such as dyes, which enhance its visual appeal and convey a sense of freshness. These colors are typically derived from synthetic or natural sources and are used to make the product more recognizable and attractive to consumers. Additionally, the color can be associated with qualities like cleanliness and efficacy, reinforcing the product's intended use.
The color of the ocean appears blue or green based on the amount of phytoplankton and the depth of the water. Oceans with less phytoplankton and deeper water tend to appear blue, while those with more phytoplankton and shallower water tend to appear green.
green
The green object will appear black because it will not reflect any of the blue light shone on it. Green objects primarily absorb blue light, so without any green or red light present, the object will appear dark.
yellow-green
A blue object would appear darker when viewed through a green filter because the green filter would absorb some of the blue light that the object reflects, resulting in a more subdued color.
Black, because the blue light would be absorbed into the object's pigment and as there is no green light to reflect, the object would appear black.
Mouthwash with an indicator typically appears blue or green, as these colors are commonly used in many commercial formulations. The indicator helps visually demonstrate the effectiveness of the mouthwash, often changing color when it comes into contact with plaque or other substances. Some formulations may also be available in other colors, but blue and green are the most prevalent.
Green and blue light combined appear as cyan, which is a bright bluish-green color when mixed. This color is a combination of the green and blue wavelengths of light being reflected.
They are described as blue, but in some photos they do appear light green.
Red, orange, yellow, green, blue, indigo and violet. Though with the human eye, only red, green and blue are needed for light to appear white.
To make green appear more blue, you can add a touch of blue dye or pigment to the green. Experiment with different ratios until you achieve the desired shade of blue. Alternatively, you can mix green with a small amount of blue paint or ink to shift the color towards blue.
Since blue objects absorb the green light, the objects appear black.