Sea Glass
PPG13-30 · #3A5B55 · LRV 9 — cool blue-green tone, very dark — reads black in most rooms.
- 1Dark Night4
- 2Sea Glass9
- 3Hidden Gem14
- 4Van Courtland Blue31
What Color Is Sea Glass, Really?
Sea Glass reads as a cool blue-green tone — very dark — reads black in most rooms. The notes below cover how PPG / Glidden PPG13-30 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Sea Glass
Sea Glass earns its keep as a statement: accent walls, a front door, cabinetry, a moody powder room, or exterior trim where you want sharp contrast. Teals add character without shouting — good for a vanity, an island or a feature wall.
How Lighting Changes Sea Glass
At LRV 9, Sea Glass is about as dark as paint gets — it reads near-black on a wall and reveals its character only in direct daylight or under warm bulbs. 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 rooms with little natural light it can feel heavy, so reserve it for spaces you want to feel enveloping.
Most complaints about Sea Glass 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 PPG13-30 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 | Billiard GreenSW 16 · Sherwin-Williams | 4.8 | 9 | Color page → |
| Behr | Patio GreenPPF-02 · Behr | 2.4 | 9 | Color page → |
| Benjamin Moore | Garden Cucumber644 · Benjamin Moore | 1.6 | 9 | Color page → |
| Valspar | Canadian Fir5004-4C · Valspar | 2.6 | 9.1 | Color page → |
| Glidden | Sea GlassPPG13-30 · Glidden | 0.7 | 9 | Color page → |
| Dunn-Edwards | Woodlawn GreenDEC779 · Dunn-Edwards | 2.8 | 9 | Color page → |
Similar PPG / Glidden Colors
The nearest shades to Sea Glass 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 #3A5B55 in HSL space. Pair Sea Glass with one accent and one neutral — the swatches below are starting points, not final picks.
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