Diamond Blue
PPG1237-2 · #CEE4ED · LRV 75 — cool blue-green tone, very light — near-white, broadens small spaces.
- 1Heirloom Shade63
- 2First Star69
- 3Diamond Blue75
- 4Alabaster82
- 5Chantilly Lace91
What Color Is Diamond Blue, Really?
Diamond Blue reads as a cool blue-green tone — very light — near-white, broadens small spaces. The notes below cover how PPG / Glidden PPG1237-2 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Diamond Blue
Diamond Blue shines on ceilings, trim and in small or low-light rooms where you need to stretch the light — and as a calm whole-home backdrop. As a white, it's a natural for trim, ceilings and cabinets, and a clean backdrop for art.
How Lighting Changes Diamond Blue
Diamond Blue is very light — LRV 75, close to white. It opens up small or dim rooms and keeps walls feeling airy. Its teal 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. In north light it can read slightly cooler; a warm white trim alongside keeps it from going clinical.
Most complaints about Diamond Blue 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 PPG / Glidden PPG1237-2 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 | IcebergSW 6798 · Sherwin-Williams | 3.2 | 76 | Color page → |
| Behr | Soft CloudM520-1A · Behr | 1.3 | 74 | Color page → |
| Benjamin Moore | Mystical Blue792 · Benjamin Moore | 0.7 | 73 | Color page → |
| Valspar | Cape Cod8002-44A · Valspar | 0.0 | 74 | Color page → |
| Glidden | Diamond BluePPG1237-2 · Glidden | 0.7 | 75 | Color page → |
| Dutch Boy | Lake Breeze138-2DB · Dutch Boy | 2.0 | 76 | Color page → |
Similar PPG / Glidden Colors
The nearest shades to Diamond Blue within PPG / Glidden'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 #CEE4ED in HSL space. Pair Diamond Blue with one accent and one neutral — the swatches below are starting points, not final picks.
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