Mortar (SW 9584)

Illustrative room. Screen colors vary; test a sample before you paint.
Mortar (SW 9584) is a light, warm off-white from Sherwin-Williams: LRV 74, so it reflects about 74 percent of the light that hits it.
Colors that go with Mortar
Four Sherwin-Williams colors picked for Mortar by this site's color math: a trim white, a deeper neutral, a quiet contrast from another family, a dark accent. Sherwin-Williams did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Mortar, ranked by CIEDE2000 (deltaE): under 1.0 is indistinguishable, 1.0 to 2.3 very close, 2.3 to 5 noticeably different, over 5 clearly different.
| Brand | Closest color | Code | LRV | deltaE | How close |
|---|---|---|---|---|---|
| Benjamin Moore | Grandma's China | CSP-365 | 72.5 | 0.0 | indistinguishable |
| Behr | Soft Focus | T18-09 | 74.6 | 0.5 | indistinguishable |
| Valspar | Asiago | 6005-1A | 74 | 0.4 | indistinguishable |
| PPG Paints | Hourglass | 1022-1 | 75 | 0.6 | indistinguishable |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams off-white colors nearest to Mortar (LRV 74) by LRV.
Lighter than Mortar
Darker than Mortar
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 9584 |
| Hex | #E3DFD5 |
| RGB | 227, 223, 213 |
| HSL | 43°, 20%, 86% |
| LRV (light reflectance value) | 74 |
| Lab L*, a*, b* | 88.9, -0.4, 5.4 |
| Undertone | Neutral |
| Temperature | warm |
| Color family | Off-white |
Same paint, two kinds of light
Mortar (SW 9584), published as #E3DFD5
#D1D5D3
#F5E9D5
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Sherwin-Williams
More from Sherwin-Williams
Common questions
- What is the LRV of Mortar (SW 9584)?
- Mortar has an LRV of 74. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Mortar is a light color.
- What is the closest match to Mortar in another brand?
- Grandma's China (BM CSP-365) from Benjamin Moore, at a deltaE of 0.0 (indistinguishable).
- Is Mortar warm or cool?
- Sherwin-Williams lists Mortar as warm, with a Neutral undertone. Its Lab b* value is 5.4; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: LRV and hex as published by the manufacturer, via PaintDB (CC BY 4.0). Color differences are CIEDE2000 values computed by this site from the hex values (data snapshot 2026-10-01). Color names and codes belong to their manufacturers.