Apollo Blue CW-645 is a gray paint color from Benjamin Moore. It has a hex value of #778584, LRV 22 and a cool (green) undertone. Its closest cross-brand match is Portsmouth from Sherwin-Williams (nearly identical), with 49 more equivalents across other brands.
Ref. #778584 · CW-645
Apollo Blue
22%LRV Value
Cool (Green)Undertone
Apollo Blue Technical Profile
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Apollo Blue in Every Brand
The closest equivalent to Apollo Blue in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
Benjamin MooreApollo Blue
Nearly identical
Sherwin-WilliamsPortsmouth
Portsmouth
Sherwin-Williams
Nearly identical
Shadow Effect
Dunn-Edwards
Nearly identical
Juniper Ash
Behr
Nearly identical
Rough Ride
PPG
Nearly identical
Downpour
Kilz
Very similar
Felted Blue
Dutch Boy
Very similar
Gothic Grey
Vista Paint
Very similar
Northern Juniper
Valspar
Very similar
Squirrel Grey
RAL
Very similar
Polar Pond
Hirshfield's
Very similar
Stone .07
Colorhouse
Very similar
De Nimes
Farrow & Ball
Very similar
Seeing a close call? Order a peel-and-stick sample of Apollo Blue — or sample it next to its top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Recommended Pairings
Colors That Work With Apollo Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Apollo Blue
#778584
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#839AAC
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Apollo Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Apollo Blue 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 Benjamin Moore Colors
Other Benjamin Moore colors close to Apollo Blue.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Apollo Blue — Frequently Asked Questions
What undertone does Apollo Blue have?
Apollo Blue by Benjamin Moore has a cool (green) undertone and sits in the gray color family. The undertone shifts with light — warmer under 2700K bulbs, cleaner and cooler under 4000K daylight — so sample Apollo Blue in your own space before committing.
What colors match Apollo Blue from other brands?
The closest cross-brand equivalents to Apollo Blue are Portsmouth by Sherwin-Williams (a near-identical match), Shadow Effect by Dunn-Edwards (a near-identical match), Juniper Ash by Behr (a near-identical match) — the best options for getting Apollo Blue'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 Apollo Blue?
Apollo Blue has a Light Reflectance Value (LRV) of 22.4, on a scale where 0 is pure black and 100 is pure white — that makes it a deep, dramatic color best saved for accent walls, dining rooms, and cozy spaces where atmosphere matters more than reflected light.
Explore More with Apollo Blue
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 Apollo Blue's cool (green) undertone matters more than its surface color — and how to read undertones in any paint chip.