Slate Violet

SW 9155 · Sherwin-Williams

Slate Violet SW 9155 as a flat swatch, not a painted room

Sherwin-Williams

Slate Violet

SW 9155

Hex code

#989192

Light reflectance value (LRV)

29.1Medium, moodier in dim rooms

0 black100 white

Undertone

Faint red, a true neutral

Color family: Purple
Sold for: Interior and exterior

Try it on your walls Get a sample

Sherwin-Williams Slate Violet SW 9155 is a medium purple paint color with a faint red undertone and an LRV of 29, a medium depth that absorbs more light than it reflects.

Updated August 22, 2026

Is Slate Violet warm or cool? Undertones by the numbers

too close to gray to lean

Undertone

Faint red

graysaturated

Barely off gray.

Try Slate Violet on your own walls

Upload a photo of your room, or the outside of your house, and TryMyHome renders Slate Violet onto the walls so you can judge it in your light, with your floors and furniture. Your first five renders are free.

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Get a sample before you paint

Use the visualizer to narrow your shortlist, then confirm the finalist on your actual wall. A peel-and-stick sample of Slate Violet, checked in morning and evening light, is the last step before a gallon.