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Waterloo SW 9141
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Noticeable blue undertone
In CIELAB, Waterloo sits at L* 42.7, a* -5.3, b* -8.2. Its hue angle is 237° and its chroma is 9.7, so it leans blue clearly enough to notice on a full wall. It classifies as cool. Among Sherwin-Williams colors with a similar LRV (±5), it is warmer (more yellow) than 19%.
LRV 13.0: very dark
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 13.0, Waterloo is lighter than 16% of Sherwin-Williams colors. Near-black depth. Use on doors, trim, cabinetry, exteriors or moody rooms with strong artificial lighting.
Closest Benjamin Moore match to Waterloo
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Spellbound | 1659 | 1.59 | Very close | |
| Vermont Slate | 1673 | 2.04 | Close — difference visible side by side | |
| Nocturnal Gray | 2135-30 | 2.31 | Close — difference visible side by side |
Closest Behr match to Waterloo
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color. Behr does not publish LRV, so Behr values here are estimates.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Rush Hour | MQ5-25 | 0.58 | Practically identical | |
| Distance | 540F-6 | 0.93 | Practically identical | |
| Shipwreck | S470-6 | 1.74 | Very close |
Similar Sherwin-Williams colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Needlepoint Navy | SW 0032 | 1.24 | Very close | |
| Smoky Blue | SW 7604 | 2.35 | Close — difference visible side by side | |
| Bunglehouse Blue | SW 0048 | 3.08 | Close — difference visible side by side | |
| Rain Cloud | SW 9639 | 3.26 | Close — difference visible side by side | |
| Slate Tile | SW 7624 | 3.72 | Close — difference visible side by side | |
| Tempe Star | SW 6229 | 3.75 | Close — difference visible side by side |
Lighter and darker versions
Colors from Sherwin-Williams with nearly the same hue and saturation, one step lighter or darker.
- Smoky Blue SW 7604 · lighter, LRV 14.6
- Slate Tile SW 7624 · lighter, LRV 14.8
- Wall Street SW 7665 · lighter, LRV 14.9
- Outerspace SW 6251 · darker, LRV 11.6
- Rain Cloud SW 9639 · darker, LRV 11.4
- Bunglehouse Blue SW 0048 · darker, LRV 11.3
Colors that go with Waterloo
Sherwin-Williams's own coordinating colors for Waterloo:
- Kestrel White SW 7516
- Coral Clay SW 9005
- Mountain Air SW 6224
Color-theory pairings — the nearest Sherwin-Williams color to each rotated hue, keeping the same lightness and saturation:
- Homestead Brown SW 7515 · complementary (180°)
- Rookwood Sash Green SW 2810 · analogous (−30°)
- Granite Peak SW 6250 · analogous (+30°)
- Poetry Plum SW 6019 · triadic (120°)
- Rosemary SW 6187 · triadic (240°)
Waterloo vs popular colors
- Van Deusen Blue (Benjamin Moore HC-156, ΔE 6.7) is about as light, more blue/cool, more red/pink, more saturated.
- Peppercorn (Sherwin-Williams SW 7674, ΔE 10.2) is darker (LRV 9.7 vs 13.0), more yellow/warm, more red/pink, more muted.
- Gray (Benjamin Moore 2121-10, ΔE 10.2) is darker (LRV 11.5 vs 13.0), more yellow/warm, more red/pink, more muted.