Obi Lilac

SW 6556 · Sherwin-Williams

Obi Lilac SW 6556 as a flat swatch, not a painted room

Sherwin-Williams

Obi Lilac

SW 6556

Hex code

#B0A3B6

Light reflectance value (LRV)

38.7Medium, moodier in dim rooms

0 black100 white

Undertone

Noticeable violet, a cool color

Color family: Purple
Sold for: Interior and exterior

Try it on your walls Get a sample

Sherwin-Williams Obi Lilac SW 6556 is a medium purple paint color with a noticeable violet undertone and an LRV of 39, a medium depth that absorbs more light than it reflects.

Updated August 22, 2026

Is Obi Lilac warm or cool? Undertones by the numbers

leans violet

Undertone

Noticeable violet

graysaturated

A visible lean you see in daylight.

Try Obi Lilac on your own walls

Upload a photo of your room, or the outside of your house, and TryMyHome renders Obi Lilac 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 Obi Lilac, checked in morning and evening light, is the last step before a gallon.