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Tidewater SW 6477
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Noticeable blue-green undertone
In CIELAB, Tidewater sits at L* 84.4, a* -7.4, b* -0.3. Its hue angle is 182° and its chroma is 7.5, so it leans blue-green 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 65.0: light
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 65.0, Tidewater is lighter than 79% of Sherwin-Williams colors. The most forgiving range for whole-house walls. Keeps rooms bright without glare.
Closest Benjamin Moore match to Tidewater
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 | |
|---|---|---|---|---|
| Annapolis Green | 687 | 1.47 | Very close | |
| White Rain | 708 | 1.88 | Very close | |
| Iced Green | 673 | 1.93 | Very close |
Closest Behr match to Tidewater
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 | |
|---|---|---|---|---|
| Rain Washed | 500E-3 | 1.31 | Very close | |
| Sunken Pool | S440-1 | 1.47 | Very close | |
| Blue Cypress | PPL-46 | 1.82 | Very close |
Similar Sherwin-Williams colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Waterscape | SW 6470 | 2.57 | Close — difference visible side by side | |
| Meander Blue | SW 6484 | 2.82 | Close — difference visible side by side | |
| Open Air | SW 6491 | 3.02 | Close — difference visible side by side | |
| Breaktime | SW 6463 | 3.14 | Close — difference visible side by side | |
| Watery | SW 6478 | 3.15 | Close — difference visible side by side | |
| Tradewind | SW 6218 | 3.80 | 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.
- Wavecrest SW 9672 · lighter, LRV 69.3
- Kingston SW 9677 · lighter, LRV 70.0
- Open Air SW 6491 · lighter, LRV 70.1
- Pearl Gray SW 0052 · darker, LRV 61.0
- Tradewind SW 6218 · darker, LRV 60.7
- Sea Spray SW 9651 · darker, LRV 60.7
Colors that go with Tidewater
Sherwin-Williams's own coordinating colors for Tidewater:
- Shell White SW 8917
- Endless Sea SW 9150
- Glimmer SW 6476
Color-theory pairings — the nearest Sherwin-Williams color to each rotated hue, keeping the same lightness and saturation:
- Rosebud SW 6288 · complementary (180°)
- Slow Green SW 6456 · analogous (−30°)
- Byte Blue SW 6498 · analogous (+30°)
- Inspired Lilac SW 6820 · triadic (120°)
- Reticence SW 6064 · triadic (240°)
Tidewater vs popular colors
- Palladian Blue (Benjamin Moore HC-144, ΔE 2.5) is darker (LRV 60.4 vs 65.0), more yellow/warm.
- Smoke (Benjamin Moore 2122-40, ΔE 4.8) is darker (LRV 56.4 vs 65.0), more blue/cool, more red/pink, more muted.
- Gray Cashmere (Benjamin Moore 2138-60, ΔE 5.5) is about as light, more yellow/warm, more red/pink, more muted.