Outer Sphere
645 · #CAE9DB · LRV 74 — cool green tone, light — bounces daylight without going clinical.
- 1Saybrook Sage45
- 2Soft Fern57
- 3Outer Sphere74
- 4Alabaster82
- 5Frosty Lime89
What Color Is Outer Sphere, Really?
Outer Sphere reads as a cool green tone — light — bounces daylight without going clinical. The notes below cover how Benjamin Moore 645 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Outer Sphere
Outer Sphere is an easy whole-room color for living spaces and bedrooms, and light enough to carry onto trim or a ceiling if you want a soft, seamless look. Greens bridge indoors and out, so they suit living rooms, kitchens and sunrooms.
How Lighting Changes Outer Sphere
At LRV 74, Outer Sphere is a light color that bounces daylight around a room without tipping into stark white. Its green undertone is the part to watch: it gets picked up by whatever sits next to it, so test it against your trim, floor and the room's main light before committing. It holds its undertone in most exposures, which is what makes light shades like this so forgiving room to room.
Most complaints about Outer Sphere are a light mismatch. Upload a photo of your actual room and see it on your walls — then ask for the same wall in north light or evening lamps before you buy a single sample.
Need It From Another Brand?
Any paint counter can custom-tint Benjamin Moore 645 directly. If you would rather stay in one brand's own deck, these are the closest stock matches, measured as ΔE2000. Under 2 is a difference you will not see on the wall.
| Brand | Closest color | ΔE | LRV | |
|---|---|---|---|---|
| Sherwin-Williams | Tame TealSW 6757 · Sherwin-Williams | 3.3 | 73 | Color page → |
| Behr | Celtic Gray490E-3 · Behr | 0.8 | 75 | Color page → |
| Valspar | Woolly MintV026-1 · Valspar | 1.8 | 77 | Color page → |
| PPG / Glidden | Peppermint PattyPPG1226-2 · PPG / Glidden | 3.5 | 74 | Color page → |
| Glidden | New Mint Green90GY 75/139 · Glidden | 1.6 | 75 | Color page → |
| Dutch Boy | Zen Green331-1DB · Dutch Boy | 3.7 | 75 | Color page → |
Similar Benjamin Moore Colors
The nearest shades to Outer Sphere within Benjamin Moore's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
WCAG 2.1: AA is 4.5 : 1 for normal text, 3 : 1 for large text, AAA is 7 : 1.
Coordinated palette
Generated by hue-rotating #CAE9DB in HSL space. Pair Outer Sphere with one accent and one neutral — the swatches below are starting points, not final picks.
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