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What is the Favourite Colour of a Mosquito?

Published in Mosquito Attraction 2 mins read

Mosquitoes are attracted to red-orange hues, especially after detecting carbon dioxide. This preference is not innate but is triggered by the presence of CO2, which humans release when they breathe.

Why Red-Orange?

Here's a breakdown of why mosquitoes are drawn to red-orange colors:

  • Carbon Dioxide Detection: Mosquitoes primarily locate their hosts by detecting carbon dioxide (CO2) emissions. Once they sense CO2, their visual system is then tuned to look for red-orange hues.
  • Human Skin Tone: Human skin tones, regardless of complexion, tend to register as a strong red-orange hue to a mosquito’s vision. This makes us easier targets.
  • Preference After Activation: It’s important to emphasize that mosquitoes do not generally seek out red or orange colors. Their preference for these colors only appears after they have detected the presence of CO2.


Aspect Detail
Primary Attraction Carbon Dioxide (CO2)
Color Preference Red-Orange (post-CO2 detection)
Reason for Preference Human skin tones appear red-orange, which is easier for mosquitoes to locate.

Practical Implications

Understanding this color preference can be useful for:

  • Clothing Choices: Wearing colors other than red or orange might reduce your attractiveness to mosquitoes.
  • Outdoor Activities: Consider using mosquito repellents and protective clothing if you're going to be in areas with high mosquito populations.


In summary, while mosquitoes are not born with a favorite color, their preference for red-orange hues is an aftereffect of carbon dioxide detection and a result of human skin tones.

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