Home › Benjamin Moore › Blue-green › Tranquil Blue
Tranquil Blue 2051-50
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Saturated blue-green (a color, not a neutral)
In CIELAB, Tranquil Blue sits at L* 75.4, a* -14.4, b* -6.4. Its hue angle is 204° and its chroma is 15.8, so it reads as an outright blue-green rather than a neutral. It classifies as cool. Among Benjamin Moore colors with a similar LRV (±5), it is warmer (more yellow) than 16%.
LRV 48.8: mid-tone
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 48.8, Tranquil Blue is lighter than 53% of Benjamin Moore colors. Reads clearly as a color. Best in rooms with good natural light, or as an accent wall; small dark rooms may feel smaller.
Closest Sherwin-Williams match to Tranquil Blue
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 | |
|---|---|---|---|---|
| Blithe Blue | SW 9052 | 1.87 | Very close | |
| Raindrop | SW 6485 | 2.07 | Close — difference visible side by side | |
| Gentle Aquamarine | SW 9046 | 2.79 | Close — difference visible side by side |
Closest Behr match to Tranquil Blue
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 | |
|---|---|---|---|---|
| Velvet Morning | 520E-3 | 1.87 | Very close | |
| Cosmic Blue | MQ6-32 | 2.10 | Close — difference visible side by side | |
| Aquifer | MQ6-08 | 2.14 | Close — difference visible side by side |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Chesapeake Blue | CW-595 | 1.59 | Very close | |
| Passion Blue | 2053-50 | 2.50 | Close — difference visible side by side | |
| Spirit in the Sky | 676 | 2.74 | Close — difference visible side by side | |
| Pool Blue | 2052-50 | 2.84 | Close — difference visible side by side | |
| Blue Rapids | 745 | 3.20 | Close — difference visible side by side | |
| Spectra Blue | 2049-50 | 3.27 | Close — difference visible side by side |
Lighter and darker versions
Colors from Benjamin Moore with nearly the same hue and saturation, one step lighter or darker.
- Blue Rapids 745 · lighter, LRV 52.5
- Clearlake 738 · lighter, LRV 54.5
- Warm Springs 682 · lighter, LRV 53.2
- Exhale AF-515 · darker, LRV 46.3
- Spirit in the Sky 676 · darker, LRV 46.0
- Aspen Skies 1656 · darker, LRV 46.1
Colors that go with Tranquil Blue
Color-theory pairings — the nearest Benjamin Moore color to each rotated hue, keeping the same lightness and saturation:
- Pink Attraction 1255 · complementary (180°)
- Dreamcatcher 640 · analogous (−30°)
- Aspen Skies 1656 · analogous (+30°)
- Wishing Well 1389 · triadic (120°)
- Sierra Hills 1053 · triadic (240°)
Tranquil Blue vs popular colors
- Smoke (Benjamin Moore 2122-40, ΔE 9.6) is lighter (LRV 56.4 vs 48.8), more yellow/warm, more red/pink, more muted.
- Palladian Blue (Benjamin Moore HC-144, ΔE 10.4) is lighter (LRV 60.4 vs 48.8), more yellow/warm, more red/pink, more muted.
- Oyster Bay (Sherwin-Williams SW 6206, ΔE 13.4) is darker (LRV 44.1 vs 48.8), more yellow/warm, more red/pink, more muted.