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Impromptu SW 6955
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Saturated blue (a color, not a neutral)
In CIELAB, Impromptu sits at L* 56.1, a* -18.8, b* -28.9. Its hue angle is 237° and its chroma is 34.5, so it reads as an outright blue rather than a neutral. It classifies as cool. Among Sherwin-Williams colors with a similar LRV (±5), it is warmer (more yellow) than 1%.
LRV 22.8: dark
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 22.8, Impromptu is lighter than 30% of Sherwin-Williams colors. Absorbs most light. Good for accent walls, cabinets, doors and exteriors; needs good lighting indoors.
Closest Benjamin Moore match to Impromptu
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 | |
|---|---|---|---|---|
| Electric Blue | 2061-40 | 3.80 | Close — difference visible side by side | |
| Cool Blue | 2058-40 | 4.09 | Similar, clearly different | |
| Toronto Blue | 2060-40 | 4.78 | Similar, clearly different |
Closest Behr match to Impromptu
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 | |
|---|---|---|---|---|
| Riviera Paradise | 530B-7 | 3.07 | Close — difference visible side by side | |
| Isle Of Capri | 550B-6 | 3.70 | Close — difference visible side by side | |
| Hacienda Blue | P490-6 | 4.12 | Similar, clearly different |
Similar Sherwin-Williams colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Major Blue | SW 6795 | 4.12 | Similar, clearly different | |
| Dynamic Blue | SW 6958 | 4.26 | Similar, clearly different | |
| Resonant Blue | SW 6954 | 5.26 | Similar, clearly different | |
| Secure Blue | SW 6508 | 6.15 | Similar, clearly different | |
| Blue Mosque | SW 6789 | 6.67 | Similar, clearly different | |
| Jacaranda | SW 6802 | 6.68 | Similar, clearly different |
Lighter and darker versions
Colors from Sherwin-Williams with nearly the same hue and saturation, one step lighter or darker.
- Capri SW 6788 · lighter, LRV 28.4
- Major Blue SW 6795 · lighter, LRV 28.9
- Resonant Blue SW 6954 · lighter, LRV 29.5
- Cruising SW 6782 · darker, LRV 18.5
- Blue Mosque SW 6789 · darker, LRV 17.2
- Blue Plate SW 6796 · darker, LRV 16.7
Colors that go with Impromptu
Sherwin-Williams's own coordinating colors for Impromptu:
- Gale Force SW 7605
- Lemon Verbena SW 7726
Color-theory pairings — the nearest Sherwin-Williams color to each rotated hue, keeping the same lightness and saturation:
- Spiced Cider SW 7702 · complementary (180°)
- Splashy SW 6942 · analogous (−30°)
- Dazzle SW 6962 · analogous (+30°)
- Hibiscus SW 6851 · triadic (120°)
- Leapfrog SW 6431 · triadic (240°)
Impromptu vs popular colors
- Aegean Teal (Benjamin Moore 2136-40, ΔE 14.2) is lighter (LRV 25.1 vs 22.8), more yellow/warm, more red/pink, more muted.
- Van Deusen Blue (Benjamin Moore HC-156, ΔE 22.5) is darker (LRV 12.0 vs 22.8), more yellow/warm, more red/pink, more muted.
- Amherst Gray (Benjamin Moore HC-167, ΔE 23.8) is darker (LRV 18.8 vs 22.8), more yellow/warm, more red/pink, more muted.