Standard coolant colors include blue, green, orange, pink, and red, but you may also encounter purple and yellow coolants. At one time, different colors were used to differentiate between the...

Coolant (Antifreeze) can be found in more than 1 color. This can be confusing for people who don’t know what each color indicates. We will break it down for you to better understand why this liquid comes in a multitude of colors. Colors include blue, yellow, green, red, pink, turquoise, orange and purple.

To tell the varieties apart, there’s an assortment of antifreeze colors. And while the colors aren’t regulated in the industry, checking the color along with the vehicle compatibility together can help ensure you get the right option. Related: Antifreeze & Coolant FAQ.

While yellow, blue, orange and red are the most common coolant/antifreeze colours, you may encounter others, including purple, pink and turquoise. These colours may be associated with different chemical compounds, like Hybrid Organic Acid Technology (HOAT) phosphate coolant, but as outlined above, the colour needn’t have any bearing on the ...

Discover the importance of antifreeze colors in vehicle maintenance in our comprehensive article. Learn how different hues—green, orange, yellow, pink, and blue—indicate specific chemical properties and performance for optimal engine health. With expert tips on choosing the right coolant, checking effectiveness, and recognizing when to change it, empower yourself to prevent costly repairs ...