Tranquil Sea reads as crisp and architectural — strong in modern spaces, with natural fixed elements (chrome, stone, glass), or as a quiet anchor. At LRV 63 it sits in the comfortable mid-light range — bright enough for living areas, soft enough for bedrooms, and adaptable across most lighting conditions. Skip it if you want a cozy, warm room — cool neutrals can feel sterile under warm bulbs or in low light.
Ref. #C6D3D6 · PPL-73
Tranquil Sea
63%LRV Value
Tranquil Sea Technical Profile
What color is Behr Tranquil Sea (PPL-73)? It's a light cool neutral — hex #C6D3D6, LRV 63. The closest cross-brand equivalent to Tranquil Sea is Hirshfield's Polished Cotton — a near-identical match on the wall, with Vista Paint Polished Cotton and Benjamin Moore Brittany Blue also close. At LRV 63, Tranquil Sea sits in the comfortable mid-light range — bright enough for living areas yet soft enough for bedrooms, and adaptable across most lighting conditions. As a cool neutral, Tranquil Sea pairs with cool whites for trim, gray-toned or rift-cut oak floors, and brushed nickel or polished chrome hardware. Black accents and natural greenery add contrast. As a lighter neutral, Tranquil Sea works as a whole-room or trim color and keeps adjoining colors reading clean — pair it with crisper whites a step brighter than itself so the trim still separates. Cool neutrals hold their crisp quality under 4000K+ daylight bulbs. Under 2700K warm light they soften considerably — particularly true for any blue or green undertone. Lighter neutrals reveal their undertone most, so Tranquil Sea can swing warmer under 2700K bulbs and cleaner under 4000K daylight — sample it against your trim before committing.
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Colors Similar to Tranquil Sea
Closest digital match based on color values. Always verify with physical samples.
Polished Cotton
Hirshfield's
Nearly identical
Polished Cotton
Vista Paint
Nearly identical
Brittany Blue
Benjamin Moore
Nearly identical
Simply Blue
PPG
Nearly identical
Silver Shores
Dutch Boy
Nearly identical
Mount Sterling
Dunn-Edwards
Nearly identical
Sunday Sky
Valspar
Nearly identical
Little Boy Blu
Sherwin-Williams
Nearly identical
Recommended Pairings
Colors That Work With Tranquil Sea
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Tranquil Sea
#C6D3D6
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#8591AD
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Tranquil Sea
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Tranquil Sea Room Palettes
Color schemes built around this color — each swatch links to the closest matching paint.
Warm & Inviting
Warm tones with cozy appeal — welcoming and comfortable
Cool & Calm
Cool hues with soft contrast — serene and restful
Bold Contrast
Complementary hues with punch — dynamic and striking
Similar Behr Colors
Other Behr colors close to Tranquil Sea.
More neutral colors from other brands
Cross-brand colors in the neutral family — useful when you want a similar look from a different brand.
Tranquil Sea — Frequently Asked Questions
What colors match Tranquil Sea from other brands?
The closest cross-brand equivalents to Tranquil Sea are Polished Cotton by Hirshfield's (a near-identical match), Polished Cotton by Vista Paint (a near-identical match), Brittany Blue by Benjamin Moore (a near-identical match). These are ranked with the CIEDE2000 color-difference formula, which scores how similar two colors actually look to the eye rather than matching them by name — so they're the best options for getting Tranquil Sea's look in a brand your local store carries. Always confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Tranquil Sea?
Tranquil Sea has a Light Reflectance Value (LRV) of 63.4, on a scale where 0 is pure black and 100 is pure white. That makes it a mid-light color — bright enough for living areas yet soft enough for bedrooms, and adaptable across most lighting conditions. LRV is the most reliable guide to how light or dark a paint will read in a real room — more dependable than the swatch on your screen, which varies by monitor.
Explore More with Tranquil Sea
Related Reading
How to Match Paint Colors Across Brands
The science behind Delta E and CIEDE2000 — find a Behr equivalent of any Sherwin-Williams shade, or a Benjamin Moore alternative when your store is out of stock.
Paint Sheen Guide
Flat, eggshell, satin, or semi-gloss — the right finish for Tranquil Sea depends on the room. Here's how to choose.