Mermaid Sea
P440-7 · #297F6D · LRV 17 — cool blue-green tone, dark — high drama, needs strong daylight or warm bulbs.
- 1Salamander6
- 2Newburg Green11
- 3Mermaid Sea17
- 4Adirondack Blue22
- 5Van Courtland Blue31
What Color Is Mermaid Sea, Really?
Mermaid Sea reads as a cool blue-green tone — dark — high drama, needs strong daylight or warm bulbs. The notes below cover how Behr P440-7 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Mermaid Sea
Mermaid Sea works best as a feature — a single wall, built-ins, a study or dining room — rather than wrapping a whole bright space. Teals add character without shouting — good for a vanity, an island or a feature wall.
How Lighting Changes Mermaid Sea
With an LRV of 17, Mermaid Sea is a deep, dramatic shade. It soaks up light in north-facing rooms and looks richest where strong daylight hits it. 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. Warm artificial light softens it; cool LED can make it look flat, so match your bulbs to the mood you want.
Most complaints about Mermaid Sea 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.
Need It From Another Brand?
Any paint counter can custom-tint Behr P440-7 directly. If you would rather stay in one brand's own deck, these are the closest stock matches, measured as ΔE2000. Under 2 is a difference you will not see on the wall.
| Brand | Closest color | ΔE | LRV | |
|---|---|---|---|---|
| Sherwin-Williams | IonianSW 6754 · Sherwin-Williams | 3.9 | 20 | Color page → |
| Benjamin Moore | Lucky Shamrock609 · Benjamin Moore | 0.8 | 17 | Color page → |
| Valspar | Elegant Silk5010-7 · Valspar | 2.7 | 15.7 | Color page → |
| PPG / Glidden | PinehurstPPG1140-6 · PPG / Glidden | 1.7 | 16 | Color page → |
| Glidden | PinehurstPPG1140-6 · Glidden | 2.0 | 16 | Color page → |
| Dutch Boy | Willow Lane230-6DB · Dutch Boy | 2.8 | 16 | Color page → |
Similar Behr Colors
The nearest shades to Mermaid Sea within Behr's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
WCAG 2.1: AA is 4.5 : 1 for normal text, 3 : 1 for large text, AAA is 7 : 1.
Coordinated palette
Generated by hue-rotating #297F6D in HSL space. Pair Mermaid Sea with one accent and one neutral — the swatches below are starting points, not final picks.
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