ComparisonComparisonSherwin-Williams SW 6528 and Vista Paint 0617, ΔE 2.62 apart
Sherwin-Williams Cosmos (SW 6528) and Vista Paint John's Blue (0617) measure a delta-E of 2.62 apart. Cosmos is 1.9 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 16.2 and 18. Close, but a large sample of each will show the gap, particularly against white trim. If you need the John's Blue depth in Sherwin-Williams's line, start from its LRV of 36.0 rather than matching by name.
Not quite, but close - Sherwin-Williams Cosmos and Vista Paint John's Blue are delta-E 2.62 apart, close enough that most rooms would not show the difference.
The measured color distance between Sherwin-Williams Cosmos and Vista Paint John's Blue is delta-E 2.62.
Sherwin-Williams Cosmos is lighter than Vista Paint John's Blue by 1.9 points of light reflectance (LRV).
| Cosmos | John's Blue | |
|---|---|---|
| Brand | Sherwin-Williams | Vista Paint |
| Code | SW 6528 | 0617 |
| Hex | #8EA9C2 | #87A4C0 |
| Light reflectance | 37.9 | 36.0 |
| Undertone | blue | blue |
| Chroma | 16.2 | 18.0 |
| Hue angle | 257.3° | 259.0° |
| Color family | blue | blue |