Harbor Side Blue

Benjamin Moore740LRV 40#5CB5B9
LRV40 — medium-dark
In the Room

What Harbor Side Blue Actually Looks Like

Harbor Side Blue is a saturated aqua that sits squarely between blue and teal on the color wheel. It is bright enough to feel energetic but carries enough green to stay grounded rather than icy. In strong natural light it pops with almost tropical clarity. In lower or north-facing light it settles into a quieter, deeper teal. Either way, it is a committed color. This is not a whisper.

Undertone Read

Harbor Side Blue Undertones

The color reads primarily as a blue-green aqua. The green component keeps it from feeling purely sky blue, and that same green pull means warm wood tones and brass hardware tend to harmonize well with it. There is no meaningful purple or gray base to speak of here. What you see on the chip is largely what you get on the wall, though lower light will deepen the teal character noticeably.

Where It Works Best

Where Harbor Side Blue Works Best

This color belongs on surfaces where you want it to do real work. A full accent wall, a front door, a bathroom with good tile contrast, or a sunroom facing a garden are all natural fits. Because its LRV sits in the mid-range it provides genuine contrast against white trim without feeling heavy. Use it in spaces that get decent light and pair it with crisp whites or natural materials. Avoid it on north-facing walls in small rooms unless deep teal is specifically the mood you want.

Room by Room

Where to put Harbor Side Blue

Bathroom

In a bathroom with white fixtures and decent light, Harbor Side Blue reads clean and fresh without veering into clinical territory. The aqua tone plays well with chrome or brushed brass and gives small tile a color anchor.

Front Door

This is one of the better uses for a saturated aqua-teal. On an exterior door it signals personality without the commitment of coating a whole room, and it holds up well against both white and gray siding.

Living Room

On a single accent wall behind a sofa in a south or west-facing room, Harbor Side Blue creates a focal point. Keep the remaining walls neutral and let natural wood or warm textiles do the softening work.

Sunroom or Enclosed Porch

In a light-flooded transitional space this color leans into its coastal, outdoor-adjacent character and feels relaxed rather than bold. Pair it with rattan, jute, or white-painted wood furniture.

What to Pair With

What to Pair With Harbor Side Blue

No coordinating colors are listed in our database for this color at this time. From general color knowledge, Harbor Side Blue pairs well with warm whites, natural linen, weathered wood, and warm metals like brass or bronze. Deep navy works as a companion tone. Soft terracotta or sandy neutrals add contrast without competing.

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What to Avoid

Colors that clash with Harbor Side Blue

Cool gray walls nearby

If adjoining rooms are painted in cool blue-grays, Harbor Side Blue can feel garish or disconnected rather than cohesive, because the saturated aqua amplifies rather than bridges the cool tones.

FixAnchor the transition with a warm white in between, or run a warm-toned neutral through shared spaces to give the aqua something to push against.
Orange or red-orange accents

Teal and orange are direct complements, which sounds good in theory but can feel jarring at high saturation on both sides.

FixDial the orange down to a muted terracotta or rust rather than a bright tone, and the contrast becomes interesting rather than combative.
Cool-toned white trim

A bright blue-white trim can push Harbor Side Blue toward a primary-color palette that feels more playful than intentional.

FixChoose a warm or barely-off white for trim and ceilings so the aqua reads as sophisticated rather than cartoonish.
FAQ

Common questions

The Benjamin Moore code is 740. The precise LRV is 40.31, which places it solidly in the mid-tone range. Hex and RGB values are shown in the color spec panel above.

Yes. It is available in both interior and exterior Benjamin Moore lines, so you can use it on walls, trim, or doors in whichever sheen suits the application.

Yes, noticeably. In strong direct or south-facing light it reads as a bright, lively aqua. In low north-facing light it shifts toward a deeper, more muted teal. Sample it on your specific wall for at least two days before committing.

Sherwin-Williams Reflecting Pool (SW 7603) is a reasonable cross-brand comparison, sitting in a similar aqua-teal range at a comparable lightness level. It skews slightly more blue than Harbor Side Blue in direct comparison.

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