Munsell is an international color defining standard based on Hue (color), Value (light or dark), and Chroma (intensity). When available, we’ve added Munsell notation.

API Color-Symbol System for Product Identification UNLEADED LOW SULFUR DIESEL ETHANOL DIESEL HIGH GRADE MIDDLE GRADE LOW GRADE RACE FUEL LOW …

1.1 This test method covers the visual determination of the color of a wide variety of petroleum products, such as lubricating oils, heating oils, diesel fuel oils, and petroleum waxes.

Diesel – dropped previous requirements on the sulfur content declarations. The 4th edition now requires a Black 0 on Regular grade gasoline, a white 0 on Mid-grade and Premium gasoline, …

All passenger cars to be painted in yellow and gray Streamliner colors, replacing both two-tone gray and olive green on non-Streamliner cars.

SUNOCO / API PRODUCT DELIVERY COLOR CODE UNLEADED O O DIESEL ETHANOL O O SULFUR DIESEL MIDDLE GRADE LOW GRADE ULTRA LOW SULFUR DIESEL tow …

GASOLINES Unleaded High grade Middle grade Low grade API RECOMMENDED PRACTICE 1637 High Sulfur O Ultra Low Sulfur DISTILLATES Low Sulfur Diesel No. 1 Fuel Oil No. 2 Fuel …