Sherwin-Williams Castlegate SW 9558: Matches in 8 Brands + LRV 37

Castlegate (SW 9558) is a mid-tone cool gray from Sherwin-Williams with a subtle blue-green undertone. Its LRV is about 37.1 (mid-tone): it reads clearly as a color and will look a shade darker in rooms with little daylight. The closest match in another brand is Behr Silent Film (99% match).

Compare Castlegate with other brands

Three catalogs stay in the list — tap another card to swap the last column. Matches are estimates from digital values, not official conversions. Always check a real sample.

LRV

37.1 · Mid-tone

Undertone

Blue-green · subtle

Temperature

Cool

Code

SW 9558

HEX

#A0A5A5

RGB

160, 165, 165

HSL

180°, 3%, 64%

Family

Grays

Colors similar to Castlegate in Sherwin-Williams

Neighboring tones from the same fan deck, if you want a shade lighter, darker, warmer, or cooler.

Network Gray Sherwin-Williams · SW 7073 · LRV 37

Breakwater Sherwin-Williams · SW 9638 · LRV 38

Gris Sherwin-Williams · SW 7659 · LRV 39

Morning Fog Sherwin-Williams · SW 6255 · LRV 42

Gray Matters Sherwin-Williams · SW 7066 · LRV 39

Unusual Gray Sherwin-Williams · SW 7059 · LRV 38

Ellie Gray Sherwin-Williams · SW 7650 · LRV 40

Uncertain Gray Sherwin-Williams · SW 6234 · LRV 43

Castlegate FAQ

What undertone does Castlegate have?

Castlegate is a mid-tone cool gray with a subtle blue-green undertone. 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 Castlegate?

Castlegate has an LRV (Light Reflectance Value) of about 37.1 on a 0–100 scale, which is mid-tone. It reads clearly as a color and will look a shade darker in rooms with little daylight.

What is the closest match to Castlegate in other brands?

Behr: Silent Film (MQ5-30), 99%; Benjamin Moore: Cobblestone Path (1606), 98%; HGTV Home by Sherwin-Williams: Network Gray (HGSW7073), 98%; Valspar: Cloud Mountain (V115-2), 97%; Dunn-Edwards: Baby Seal (DE6361), 97%; Glidden: Stepping Stone (PPG1010-4), 96%; PPG: Burnished Blade (PPG0995-5), 94%; Farrow & Ball: Worsted (No. 284), 90%. Matches are estimated from digital color values and are not official conversions; always compare a real sample of both.

What is the HEX code of Castlegate?

The HEX code of Castlegate (SW 9558) is #A0A5A5, RGB 160, 165, 165. Use it for digital mockups; painted color will vary with light and sheen.