Color spec
| Brand | Sherwin-Williams |
| Name | Vast Sky |
| SKU | SW 6506 |
| Hex | #A9C9D7 |
| RGB | 169, 201, 215 |
| HSL | 198°, 37%, 75% |
| LRV | 55 |
| Undertone | cool blue-green tone |
| Family | Blue |
About Sherwin-Williams Vast Sky
At LRV 55, Vast Sky is a light color that bounces daylight around a room without tipping into stark white. Its teal undertone is the part to watch: it gets picked up by whatever sits next to it, so test it against your trim, floor and the room's main light before committing. It holds its undertone in most exposures, which is what makes light shades like this so forgiving room to room.
Vast Sky is an easy whole-room color for living spaces and bedrooms, and light enough to carry onto trim or a ceiling if you want a soft, seamless look. Blues calm a room, which makes them popular in bedrooms, bathrooms and home offices.
Closest matches by brand
17 brands within ΔE 5The closest matches per brand by ΔE2000, computed against each brand's full deck. Only colors within ΔE 5 (close enough to substitute on a wall) are shown — brands with no real match are left off. Tap any swatch for its full single-color spec; tap the brand title to browse all blue from that brand.
Behr
Benjamin Moore
Valspar
PPG / Glidden
Glidden
Dutch Boy
HGTV Home by Sherwin-Williams
Dunn-Edwards
Magnolia Home
Farrow & Ball
Diamond Vogel
Hirshfield's
Rodda
C2 Paint
Clare
Backdrop
Kompozit
Similar Sherwin-Williams colors
closest in the Sherwin-Williams deckThe nearest shades to Vast Sky within Sherwin-Williams's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
Coordinated palette
Generated by hue-rotating #A9C9D7 in HSL space. Pair Vast Sky with one accent and one neutral — the swatches below are starting points, not final picks.
Accessibility (WCAG contrast)
WCAG 2.1: AA = 4.5:1 normal text · AA Large = 3:1 large text · AAA = 7:1 normal text.
Sherwin-Williams Vast Sky Equivalents at Other Brands
Matching Vast Sky from a different paint counter? Below is the single closest color in each major US deck and how close it really is. Remember that any paint store can also custom-tint Sherwin-Williams SW 6506 directly — these equivalents are for when you'd rather stay inside one brand's own deck.
Behr Equivalent of Vast Sky
Behr has no exact twin of Vast Sky. The nearest is Caspian Tide (PPU14-13) at ΔE 4.18 — close, but the difference shows next to trim and in side light. It sits at the same lightness (LRV 55 vs 55). Compare large swatches before substituting. See the full Caspian Tide swatch →
Benjamin Moore Equivalent of Vast Sky
Benjamin Moore's nearest match is Greenhow Blue (CW-655), visually identical in normal room light (ΔE 1.39). It sits at the same lightness (LRV 55 vs 55) and carries a cool blue-green undertone, so it substitutes for Vast Sky without repainting risk. See the full Greenhow Blue swatch →
Valspar Equivalent of Vast Sky
The closest Valspar equivalent of Vast Sky is Summer Rain (8003-41B). At ΔE 0.57 the two are indistinguishable on a wall — it carries the same cool blue-green undertone and sits at the same lightness (LRV 55 vs 55). If Valspar is your counter, order Summer Rain and you'll get the same color. See the full Summer Rain swatch →
PPG / Glidden Equivalent of Vast Sky
The closest PPG / Glidden equivalent of Vast Sky is Sonata (PPG1157-3). At ΔE 0.9 the two are indistinguishable on a wall — it carries the same cool blue undertone and sits at the same lightness (LRV 55 vs 55). If PPG / Glidden is your counter, order Sonata and you'll get the same color. See the full Sonata swatch →
Glidden Equivalent of Vast Sky
Glidden's nearest match is Sonata (PPG1157-3), visually identical in normal room light (ΔE 1.52). It sits at the same lightness (LRV 55 vs 55) and carries a cool blue undertone, so it substitutes for Vast Sky without repainting risk. See the full Sonata swatch →
Dutch Boy Equivalent of Vast Sky
The closest Dutch Boy equivalent of Vast Sky is Tender Blue (236-3DB). At ΔE 0 the two are indistinguishable on a wall — it carries the same cool blue-green undertone and sits at the same lightness (LRV 55 vs 55). If Dutch Boy is your counter, order Tender Blue and you'll get the same color. See the full Tender Blue swatch →
HGTV Home by Sherwin-Williams Equivalent of Vast Sky
The closest HGTV Home by Sherwin-Williams equivalent of Vast Sky is Cold River (HGSW 2366). At ΔE 0 the two are indistinguishable on a wall — it carries the same cool blue-green undertone and sits at the same lightness (LRV 55 vs 55). If HGTV Home by Sherwin-Williams is your counter, order Cold River and you'll get the same color. See the full Cold River swatch →
Dunn-Edwards Equivalent of Vast Sky
At Dunn-Edwards, the closest color to Vast Sky is Blue Calico (DET585) — very close at ΔE 2.47, though not an exact twin. It runs slightly lighter (LRV 59 vs 55) and carries a cool blue-green undertone; sample both side by side if the room gets strong natural light. See the full Blue Calico swatch →
Magnolia Home Equivalent of Vast Sky
Magnolia Home has no exact twin of Vast Sky. The nearest is Vibrant Horizon (JG-88) at ΔE 4.67 — close, but the difference shows next to trim and in side light. It sits at the same lightness (LRV 56 vs 55). Compare large swatches before substituting. See the full Vibrant Horizon swatch →
Farrow & Ball Equivalent of Vast Sky
Farrow & Ball has no exact twin of Vast Sky. The nearest is Hazy (NO. CC6) at ΔE 4.2 — close, but the difference shows next to trim and in side light. It runs slightly darker (LRV 52 vs 55). Compare large swatches before substituting. See the full Hazy swatch →
Diamond Vogel Equivalent of Vast Sky
At Diamond Vogel, the closest color to Vast Sky is Dancing in the Rain (0644) — very close at ΔE 3, though not an exact twin. It sits at the same lightness (LRV 55 vs 55) and carries a cool blue undertone; sample both side by side if the room gets strong natural light. See the full Dancing in the Rain swatch →
Hirshfield's Equivalent of Vast Sky
Hirshfield's's nearest match is Soft Blue (0651), visually identical in normal room light (ΔE 1.37). It runs slightly lighter (LRV 59 vs 55) and carries a cool blue-green undertone, so it substitutes for Vast Sky without repainting risk. See the full Soft Blue swatch →
Rodda Equivalent of Vast Sky
Rodda has no exact twin of Vast Sky. The nearest is Dream Whisper (R085) at ΔE 3.92 — close, but the difference shows next to trim and in side light. It runs slightly lighter (LRV 58 vs 55). Compare large swatches before substituting. See the full Dream Whisper swatch →
C2 Paint Equivalent of Vast Sky
At C2 Paint, the closest color to Vast Sky is Ersatz (C2-735) — very close at ΔE 3.13, though not an exact twin. It sits at the same lightness (LRV 54 vs 55) and carries a cool blue-green undertone; sample both side by side if the room gets strong natural light. See the full Ersatz swatch →
Clare Equivalent of Vast Sky
Clare has no exact twin of Vast Sky. The nearest is Summer Friday (PNT100-LT-37) at ΔE 4.5 — close, but the difference shows next to trim and in side light. It sits at the same lightness (LRV 54 vs 55). Compare large swatches before substituting. See the full Summer Friday swatch →
Backdrop Equivalent of Vast Sky
At Backdrop, the closest color to Vast Sky is Lost in the 80s (BD-LO) — very close at ΔE 2.09, though not an exact twin. It runs slightly darker (LRV 51 vs 55) and carries a cool blue undertone; sample both side by side if the room gets strong natural light. See the full Lost in the 80s swatch →
Kompozit Equivalent of Vast Sky
Kompozit's nearest match is Soft Blue (0651), visually identical in normal room light (ΔE 1.37). It runs slightly lighter (LRV 57 vs 55) and carries a cool blue-green undertone, so it substitutes for Vast Sky without repainting risk. See the full Soft Blue swatch →