Benjamin Moore Mystic Lake (CSP-745) is a deep green with a green undertone and an LRV of 33. Closest matches: Sherwin-Williams Halcyon Green (SW 6213), Farrow & Ball Oval Room Blue (No.85) and Behr In The Moment (T18-15). For trim, try Chalk White (2126-70).
Room Preview
This photo shows walls only. Photos show the color in a real room's light; your own light will change it.
Suggested trim and ceiling are Benjamin Moore whites that share this color's undertone.
Color Details
| Family | Green |
| LRV | 32.6 (mid-tone; 0 = black, 100 = pure white) |
| HEX | #8A9F9B |
| RGB | 138, 159, 155 |
| HSL | 169°, 10%, 58% |
About Mystic Lake
Mystic Lake (CSP-745) is a deep, muted green from Benjamin Moore. With an LRV of 33, Mystic Lake absorbs more light than it reflects, so it works best in rooms with good natural light or where you want a cozier feel.
North-facing light makes Mystic Lake read cooler and slightly darker, while warm south-facing light softens it. It's a good fit for bedrooms, offices, kitchen islands and cabinets and accent walls. It's very close to Atmospheric (AF-500); you'd mostly see the difference side by side.
How Mystic Lake changes with the light
Mystic Lake has a cool undertone. North light will push it cooler and grayer, while south and west light warm it up. If your room faces north, look at it next to a warm white trim.
North-facing rooms
Mystic Lake has a cool undertone that north light will push cooler and grayer; warm white trim helps balance it.
East-facing rooms
Mystic Lake will look warmer and brighter in the morning and cooler and grayer by afternoon; check a sample at both times.
South-facing rooms
Bright south light shows Mystic Lake close to its true color, slightly lighter and warmer.
West-facing rooms
Mystic Lake looks cool in the morning and warms up in the golden late-afternoon light.
See Mystic Lake in real homes
Photos people have shared of Mystic Lake in their own rooms. Opens Instagram or Pinterest in a new tab.
Mystic Lake equivalents in other brands
The closest color from each brand. ΔE (“delta E”) scores how different two colors look: under 2.5 is very hard to tell apart on a wall, over 5 is clearly different.
Sherwin-Williams
Close · ΔE 4.5
Also close: Acacia Haze (ΔE 6.2)
Compare side by side →Farrow & Ball
Very close · ΔE 2.5
Also close: Sugar Bag Light (ΔE 3.7)
Compare side by side →Similar Benjamin Moore colors
Mystic Lake questions
What undertone does Mystic Lake have?
Mystic Lake has a green undertone, so it reads as a cool color. North-facing light makes Mystic Lake read cooler and slightly darker, while warm south-facing light softens it.
Is Mystic Lake a light or dark color?
Mystic Lake has a light reflectance value (LRV) of 32.6 on a scale where 0 is black and 100 is pure white, which makes it a deep color. With an LRV of 33, Mystic Lake absorbs more light than it reflects, so it works best in rooms with good natural light or where you want a cozier feel.
What is the closest match to Mystic Lake in other paint brands?
Sherwin-Williams: Halcyon Green SW 6213 (close, ΔE 4.5); Farrow & Ball: Oval Room Blue No.85 (very close, ΔE 2.5); Behr: In The Moment T18-15 (very close, ΔE 2.3). Matches are calculated with the CIEDE2000 color difference formula; always check a physical sample before buying.
What trim and ceiling color goes with Mystic Lake?
Try Chalk White (2126-70) on trim and Distant Gray (OC-68) on the ceiling. Both are Benjamin Moore whites that share Mystic Lake's undertone.
Where does Mystic Lake work best?
Mystic Lake works well in bedrooms, offices, kitchen islands and cabinets and accent walls. With an LRV of 33, Mystic Lake absorbs more light than it reflects, so it works best in rooms with good natural light or where you want a cozier feel.
Planning more than one room?
Build a whole-house palette and share it with your contractor. Free.

