Mirror Lake M520-4 is a blue paint color from Behr. It has a hex value of #78C5EA, LRV 37 and a cool (blue) undertone. Its closest cross-brand match is Cayman Blue from Benjamin Moore (nearly identical), with 49 more equivalents across other brands.
Ref. #78C5EA · M520-4
Mirror Lake
37%LRV Value
Cool (Blue)Undertone
Mirror Lake Technical Profile
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Mirror Lake in Every Brand
The closest equivalent to Mirror Lake in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
BehrMirror Lake
Nearly identical
Benjamin MooreCayman Blue
Cayman Blue
Benjamin Moore
Nearly identical
Horizon Haze
PPG
Nearly identical
Undercool
Sherwin-Williams
Nearly identical
Billow
Valspar
Nearly identical
Lupe’s Lake
Vista Paint
Very similar
Below Zero
Dunn-Edwards
Very similar
Perfect Day
Dutch Boy
Very similar
Lasting Thoughts
Hirshfield's
Very similar
Azure Pool
Kilz
Visible difference
Lulworth Blue
Farrow & Ball
Visible difference
Dream .03
Colorhouse
Visible difference
Pastel Turquoise
RAL
Visible difference
Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Recommended Pairings
Colors That Work With Mirror Lake
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Mirror Lake
#78C5EA
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#6C7CC6
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Mirror Lake
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Mirror Lake 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 Mirror Lake.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Mirror Lake — Frequently Asked Questions
What undertone does Mirror Lake have?
Mirror Lake by Behr has a cool (blue) undertone and sits in the blue color family. The undertone shifts with light — warmer under 2700K bulbs, cleaner and cooler under 4000K daylight — so sample Mirror Lake in your own space before committing.
What colors match Mirror Lake from other brands?
The closest cross-brand equivalents to Mirror Lake are Cayman Blue by Benjamin Moore (a near-identical match), Horizon Haze by PPG (a near-identical match), Undercool by Sherwin-Williams (a near-identical match) — the best options for getting Mirror Lake's look from a brand your local store carries. Confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Mirror Lake?
Mirror Lake has a Light Reflectance Value (LRV) of 37.0, on a scale where 0 is pure black and 100 is pure white — that makes it a mid-depth color with real presence — strong on accent walls, libraries, and rooms with good natural light.
Explore More with Mirror Lake
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.
Understanding Paint Color Undertones
Why Mirror Lake's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.