Paint · Benjamin Moore · Grays
Benjamin Moore Apollo Blue
CW-645 · #778584 · LRV ~22.4
Closest tone in another brand: Sherwin-Williams Portsmouth (~99% proximity)Apollo Blue (CW-645) is a dark cool gray from Benjamin Moore with a subtle blue-green undertone, in this site’s digital reading. Estimated LRV about 22.4 (dark): it absorbs more light than it reflects. best in well-lit rooms, on accent walls, or on cabinetry. The closest tone in another brand is Sherwin-Williams Portsmouth (~99% proximity).
Closest tone to Apollo Blue in other brands
Not the same paint: the closest name in each brand. Three brands stay in the list — tap another card to swap the last column.
LRV (estimated)
22.4 · Dark
Undertone (estimated)
Blue-green · subtle
Temperature
Cool
Code
CW-645
HEX
#778584
RGB
119, 133, 132
HSL
176°, 6%, 49%
Family
Colors similar to Apollo Blue in Benjamin Moore
Neighboring tones from the same brand, if you want a shade lighter, darker, warmer, or cooler.
Apollo Blue FAQ
What undertone does Apollo Blue have?
Apollo Blue is a dark cool gray with a subtle blue-green undertone, in this site’s digital reading. Its color temperature is cool. This is estimated from the digital color values; north-facing light pulls undertones cooler and warm bulbs pull them warmer, so check a real sample on your wall.
What is the LRV of Apollo Blue?
Apollo Blue has an estimated LRV (Light Reflectance Value) of about 22.4 on a 0–100 scale, which is dark. It absorbs more light than it reflects. Best in well-lit rooms, on accent walls, or on cabinetry. It is an estimate from the digital HEX, not the LRV published by the brand.
What is the closest tone to Apollo Blue in other brands?
Sherwin-Williams: Portsmouth (SW 9644), ~99% proximity; Dunn-Edwards: Shadow Effect (DET597), ~97% proximity; Glidden: Rough Ride (PPG1036-5), ~97% proximity; PPG: Rough Ride (PPG1036-5), ~97% proximity; Behr: Juniper Ash (PPU12-16), ~96% proximity; Valspar: Pacific Palisades (V100-5), ~95% proximity; Farrow & Ball: De Nimes (No. 299), ~95% proximity; HGTV Home by Sherwin-Williams: Software (HGSW7074), ~92% proximity. These are estimates of digital closeness on screen, not proven physical equivalence or official conversions; always compare a real sample of both.
What is the HEX code of Apollo Blue?
The HEX code of Apollo Blue (CW-645) is #778584, RGB 119, 133, 132. Use it for digital mockups; painted color will vary with light and sheen.