Color spec
| Brand | Behr |
| Name | Dolphin Fin |
| SKU | PPU18-15 |
| Hex | #B6B2A6 |
| RGB | 182, 178, 166 |
| HSL | 45°, 10%, 68% |
| LRV | 47 |
| Undertone | warm red-orange tone |
| Sheens | walls eggshell · trim semi-gloss · cabinets satin |
| Family | Neutral |
Dolphin Fin is a warm greige that keeps a genuine cool streak underneath — call it Behr's answer to the Agreeable Gray moment, minus the design-blog fame. In good light it reads like a classic warm gray-greige: soft, mid-depth, easy to live with. Pull the light away and the cool side steps forward — a gray-blue-green cast that some readers love and some did not expect. It is not a famous color. It is a dependable one, and that is a fair trade.
What Color Is Dolphin Fin, Really?
Dolphin Fin is built on a warm greige base, but it carries a second, cooler layer underneath — a gray-blue-green thread that independent reviewers describe the same way: creamy and warm in strong light, distinctly grayer and cooler once the light thins out. That is not a flaw so much as the color's whole personality; it behaves less like a fixed greige and more like one that negotiates with whatever light it is given. Behr never pushed it as a Color of the Year pick or a designer-collab shade — there is no viral room and no HGTV feature attached to Dolphin Fin's name. It has simply sat in the deck as a steady, unglamorous option, which is a fair description for a lot of genuinely good paint.
At LRV 47 it sits at a real mid-depth — deeper than the mid-50s greiges most people default to, lighter than a charcoal-leaning neutral. That depth is doing real work: it holds its color in a bright room instead of washing toward white, and it will not disappear the way a pale greige can. The tradeoff is the one every mid-depth neutral makes — a dim room does not just look duller, it can look genuinely flat, because there is less reflected light to carry the warm side of the undertone.
Undertone in one line: warm greige first, with a gray-blue-green undercurrent that surfaces in weak or cool light. If your sample looks like a plain warm gray in your brightest room and then looks distinctly cooler in your hallway, that is not an inconsistent paint — that is Dolphin Fin doing exactly what every reviewer of this color reports it does.
Where It Shines
Give it real daylight — south or east exposure, or a room that gets sun for a real part of the day — and it settles into a genuinely versatile warm gray-greige that works across transitional, modern-farmhouse, and contemporary rooms without picking a side. It is a strong whole-house color for exactly that reason: it does not commit hard enough to any one style to fight with the furniture. Kitchens are where it shows up most in real projects, especially on an island or a run of lower cabinets under a lighter wall — the depth reads intentional rather than heavy.



Where It Fails — the Honest Part
The complaint pattern here is short and consistent across every independent review of this color: nobody calls Dolphin Fin ugly, but plenty of people are surprised by it. All three situations below trace back to the same root cause — the color's cool undercurrent showing up somewhere the buyer did not expect it.

A dim, north-facing room. Weak, cool daylight pulls the gray-blue-green thread forward and mutes the warm greige base underneath it. The wall does not go ugly, it goes flat and slightly cool — readers who bought it expecting the warm, creamy version from their sunny living room describe the north bedroom as a different color entirely. Test the actual room, not just the brightest one in the house.
Cool LED bulbs at night. Same mechanism, after dark: cool-white LEDs strip the warmth the way north light does, and Dolphin Fin's cool undercurrent takes over the room. Swap to warm 2700K bulbs before blaming the paint — it is a five-dollar fix for what looks like a much bigger problem.
Sampled once, in one light, and called it done. Because this color genuinely reads two ways — warm greige in strong light, cooler gray-blue in weak light — a single swatch check in the store or by one window is the least reliable way to buy it. The number-one real complaint about Dolphin Fin is not the color itself, it is being surprised by how much it moves. Sample big, on at least two walls, and check it morning and evening before committing a whole house to it.
Room by Room
Living room — yes, with real daylight
In a room that gets genuine south or east sun for part of the day, it is a calm, adaptable backdrop for both warm wood and cooler-toned furniture. Eggshell on the walls; if the room runs dim, sample hard before committing.
Kitchen & island — where it earns its keep
Dolphin Fin on a kitchen island or a run of lower cabinets, under a lighter wall or white uppers, is the most common real-world use of this color — the depth reads deliberate against a bright counter and backsplash. Satin, urethane-fortified cabinet enamel.
Bedroom — depends entirely on exposure
A south or east bedroom gets the warm, settled version. A north bedroom, especially with cool-white bulbs, gets the flatter, cooler version — swap to 2700K lamps before deciding you do not like the color.
Bathroom — good with warm-toned stone
With warm marble, wood vanities, and brass it holds its greige side. Against cool blue-gray tile the two cool undertones can compound rather than complement — sample against your actual tile first.
Exterior — a genuine strength
Full daylight and distance flatter mid-depth neutrals, and Dolphin Fin reads as a clean, modern gray-greige body color with white or dark trim. Reviewers consistently rate the exterior use higher than any single interior room.
Whole-house / hallways — with a caveat
It can run through a house the way Agreeable Gray does, but only if every room gets roughly similar light. A house with a dark north hallway and a bright south living room will show two different colors off the same gallon — plan for that instead of being surprised by it.
The Scorecard
What it gets right
- +Genuinely versatile — works across transitional, farmhouse, and contemporary rooms
- +Mid-depth LRV holds its color in bright rooms instead of washing out
- +Reads as a distinct, slightly cooler alternative to Agreeable Gray
- +One of the stronger exterior neutrals in the Behr deck
- +Dependable and easy to source at any Behr counter — no rarity, no waiting
Where it struggles
- −Cool undercurrent goes flat and gray in dim, north-facing rooms
- −Cool-white LEDs strip its warmth faster than most greiges
- −Reads meaningfully different from a single swatch check — big-sample it
- −Never built a design-blog following, so there is less real-room reference material than for Agreeable Gray or Repose Gray
Light by Light
Most complaints about Dolphin Fin are a light mismatch. Upload a photo of your actual room and see it on your walls — then ask for the same wall in north light or evening lamps before you buy a single sample.
TEST IT IN YOUR LIGHT →Dolphin Fin vs the Colors You're Also Considering
Every Dolphin Fin sample board has the same rivals on it. The numbers show the real lightness gap — then it comes down to which risk you would rather live with.
The most-searched matchup is Dolphin Fin versus Sherwin-Williams Repose Gray (SW 7015). Repose Gray is noticeably lighter at LRV 58 versus 47, and it leans cooler and grayer. On the wall, Repose Gray keeps a room airier and safer in dim spaces, while Dolphin Fin gives more visible color and warmth. Pick Repose Gray for small or north-facing rooms; pick Dolphin Fin when off-whites and pale grays have been disappearing on your walls.
Inside Behr's own deck, Rushmore Gray (HDC-CL-27G) at LRV 45 is nearly identical in depth and hue; most people could not tell the two apart across a room, so availability and the rest of your palette can decide. Behr Greige (PPU24-11) at LRV 46 sits a touch grayer and slightly less warm, which makes it the better choice if Dolphin Fin's khaki lean shows too strongly in your afternoon light.
Need It From Another Brand?
Any paint counter can custom-tint Behr PPU18-15 directly — but if you would rather stay in one brand's own deck, these are the closest stock matches:
Similar Behr colors
closest in the Behr deckThe nearest shades to Dolphin Fin within Behr's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
Dolphin Fin Coordinating Colors
Dolphin Fin's dual undertone means it can go two directions depending on what you put next to it: lean into the warm greige side with cream whites and warm wood, or lean into the cool side with true grays and near-blacks. Both work — the color simply follows whichever partner is stronger in the room. These are the pairings that show up most in real projects:
Dolphin Fin's Quiet Track Record
Every independent review of this color agrees on the same undertone story, and none of them attach a famous moment to it — no Color of the Year run, no HGTV feature, no viral Pinterest room. That absence is worth saying plainly instead of dressing it up: Dolphin Fin has spent its time in the Behr deck as a working color, not a marketed one, while Agreeable Gray and Repose Gray became the greiges every design blog reaches for by name.
That is not a mark against it. A color earning a quiet reputation instead of a loud one usually means it does its job without drama — Behr kept it in the lineup because contractors and homeowners kept buying it, not because a campaign told them to. If you want the reassurance of a thousand identical Pinterest boards, pick Agreeable Gray. If you want a genuinely good mid-depth greige with more gray in it and are comfortable being an early adopter of an old color, Dolphin Fin has earned that trust the slow way.
Dolphin Fin With Wood Tones and Floors
Warm wood is this color's best partner on the floor: white oak, walnut, and cerused or pale-stained boards all sit comfortably with the warm greige base and give the cool undercurrent less to argue with. Builder-grade honey oak is the harder case — the same yellow-orange that fights most greiges pulls Dolphin Fin's warm side forward and can leave the cool undercurrent looking like a mismatch rather than a feature.
Gray-washed or cool LVP flooring is actually a safer partner here than it is for most warm greiges, since Dolphin Fin already carries a cool thread of its own — the two tend to agree rather than fight. The one combination worth testing first is dark walnut with cool-white overhead lighting: two cool, deep elements in the same room can read heavier than either does alone.
Three Ready Palettes Built on Dolphin Fin
A color is never alone on the wall — these are complete combinations in the 60-30-10 pattern, with the reason each one holds together.
A dependable warm-gray wall color needs a genuinely bright, neutral trim white to keep it from reading dim — Polar Bear does that job without competing for attention. The navy door supplies the one saturated note the scheme needs, and it reads calm rather than trendy.
TRY THIS PALETTE →Full daylight flatters Dolphin Fin's depth, and a near-black door and shutters give the body enough contrast to read crisp instead of flat — the same formula that makes modern-farmhouse exteriors work with any mid-depth gray-greige.
TRY THIS PALETTE →Alabaster's warm cream keeps the room bright while Dolphin Fin's cooler streak grounds the island instead of fighting it; Kendall Charcoal on one accent gives the cool undertone something to agree with.
TRY THIS PALETTE →Accessibility (WCAG contrast)
WCAG 2.1: AA = 4.5:1 normal text · AA Large = 3:1 large text · AAA = 7:1 normal text.
The Questions Everyone Asks
Is Dolphin Fin warm or cool?
Both, depending on the light — that is the honest answer. It is built on a warm greige base, but it carries a real gray-blue-green undercurrent that comes forward in dim or north-facing rooms. In strong daylight it reads warm; in weak light it reads cooler. Sample it in your actual room before deciding which version you're getting.
How is Dolphin Fin different from Agreeable Gray?
Agreeable Gray leans further into beige and has become the default safe greige for a reason — it is dependable and widely documented. Dolphin Fin sits at a similar mid-depth but carries more gray in the mix and a more noticeable shift between warm and cool light. Pick Agreeable Gray for the well-worn path; pick Dolphin Fin if you want a bit more gray and don't mind less company.
Does Dolphin Fin work on kitchen cabinets or an island?
Yes — it is the most common real-world use of this color. On a lower-cabinet run or an island under a lighter wall, the mid-depth reads deliberate. Use a satin, urethane-fortified cabinet enamel; it holds up to daily handling better than a standard wall finish.
What trim color goes with Dolphin Fin?
A genuinely bright, neutral white — Behr Polar Bear or Sherwin-Williams Alabaster both do the job without fighting the wall's undertone. Avoid a warm cream trim; it will make Dolphin Fin's cool side look like a mistake instead of a feature.
Does Dolphin Fin work on exteriors?
It is one of the stronger uses of this color. Full daylight and distance flatter mid-depth neutrals, and reviewers consistently rate the exterior application higher than any single interior room. Pair with white trim for a classic look or a near-black door and shutters for more contrast.
Why haven't I seen Dolphin Fin featured anywhere?
Because it genuinely hasn't been — no Color of the Year run, no HGTV feature, no viral design-blog room. That is not a knock on the paint; it is simply a color Behr kept in the deck as a steady option rather than a marketing push. If you want a dependable mid-depth greige with a bit more gray and don't need the crowd-tested reassurance of Agreeable Gray, that quiet track record is not a warning sign.

Will It Work in YOUR Room?
No page can promise how Dolphin Fin behaves in your light. Upload a photo and see it on your own walls in seconds — before you spend a cent on samples.
TRY DOLPHIN FIN ON YOUR ROOM →
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