Mirror Lake M520-4 is a blue paint color from Behr. It has a hex value of #78C5EA, estimated 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.
Behr · #78C5EA · M520-4
Mirror Lake
37%Estimated LRV
Cool (Blue)Undertone
Mirror Lake Technical Profile
HEX Code#78C5EA
RGB120, 197, 234
Estimated LRV37.0
UndertoneCool (Blue)
Digital swatches and calculated matches are approximations. Catalog LRV values may be calculated estimates, not manufacturer measurements. Data and matching method. Check the brand reference and physical samples before purchase.
Color Familyblue
BrandBehr
Test it in your room
Place physical samples beside your flooring and trim. Check them in daylight and with your evening lights before buying paint.
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Compare alternatives to Mirror Lake
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Cayman Blue
Benjamin Moore
#74C2E5
Close digital match
Horizon Haze
PPG
#80C1E2
Close digital match
Undercool
Sherwin-Williams
#7FC3E1
Close digital match
Billow
Valspar
#87C5E6
Close digital match
Lupe’s Lake
Vista Paint
#86C3E4
Similar digital color
Below Zero
Dunn-Edwards
#87CDED
Similar digital color
Perfect Day
Dutch Boy
#76BBDD
Similar digital color
Lasting Thoughts
Hirshfield's
#72C7E3
Similar digital color
Azure Pool
Kilz
#67B0D7
Visible digital difference
Lulworth Blue
Farrow & Ball
#A1B8CA
Visible digital difference
Dream .03
Colorhouse
#B4CBD9
Visible digital difference
Pastel Turquoise
RAL
#7FB5B5
Visible digital difference
Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Generated palette previews
Colors That Work With Mirror Lake
These are generated digital colors, not named manufacturer paints. Use the palette tools to find paint candidates, then compare physical samples.
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
Digital 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. This is a digital classification, not a prediction of physical paint under every light. Compare samples in your own space.
What colors match Mirror Lake from other brands?
The closest cross-brand equivalents to Mirror Lake are Cayman Blue by Benjamin Moore (a close digital match), Horizon Haze by PPG (a close digital match), Undercool by Sherwin-Williams (a close digital 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 estimated lightness value 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.