Benjamin Moore 815 and Vista Paint 0638, ΔE 6.38 apart
Benjamin Moore Swiss Blue (815) and Vista Paint Watery Sea (0638) measure a delta-E of 6.38 apart. Swiss Blue is 4 LRV points lighter, which is the difference you notice first. Watery Sea holds more color, chroma 25.5 against 20.4, so it grays out less in dim light. These read as related but distinct. Sample both before committing. If you need the Watery Sea depth in Benjamin Moore's line, start from its LRV of 49.0 rather than matching by name.
Benjamin Moore Swiss Blue and Vista Paint Watery Sea are delta-E 6.38 apart - a difference that shows up on a wall, not just side by side on two chips.
The measured color distance between Benjamin Moore Swiss Blue and Vista Paint Watery Sea is delta-E 6.38.
Benjamin Moore Swiss Blue is lighter than Vista Paint Watery Sea by 4 points of light reflectance (LRV).
Vista Paint Watery Sea carries more color than Benjamin Moore Swiss Blue - a higher chroma value means a more intense, less grey color.
| Swiss Blue | Watery Sea | |
|---|---|---|
| Brand | Benjamin Moore | Vista Paint |
| Code | 815 | 0638 |
| Hex | #A3C1E3 | #8DBFE6 |
| Light reflectance | 53.0 | 49.0 |
| Undertone | blue | blue |
| Chroma | 20.4 | 25.5 |
| Hue angle | 263.2° | 254.7° |
| Color family | blue | teal |