* Location matters: The color of soil varies greatly based on the location's geology and minerals. Loam in one region might be reddish-brown, while in another it could be dark grey.
* Ash type: Different types of ash have different colors. Wood ash is typically grey or white, while volcanic ash can be black, brown, or even reddish.
* Amount of ash: The amount of ash mixed with the loam will significantly affect the overall color. A thin layer of ash might only slightly change the loam's hue, while a thick layer could dominate the color.
* Sunlight and moisture: The color of the loam will also change depending on how much sunlight it receives and how wet it is. Dry soil appears lighter than wet soil.
To get a better idea of the local color, you'd need to consider:
* Where is the loam located? What are the typical soil colors in that region?
* What type of ash is on it? Wood ash, volcanic ash, etc.?
* How thick is the ash layer? Is it a light dusting or a significant layer?
With more information, you could paint a much more accurate picture of the color!