Sherwin-Williams SW 6521 and Vista Paint 0645, ΔE 5.85 apart
Sherwin-Williams Notable Hue (SW 6521) and Vista Paint Calm Tint (0645) measure a delta-E of 5.85 apart. Calm Tint is 6.3 LRV points lighter, which is the difference you notice first. Calm Tint holds more color, chroma 18.2 against 14.4, so it grays out less in dim light. These read as related but distinct. Sample both before committing. If you need the Notable Hue depth in Vista Paint's line, start from its LRV of 36.7 rather than matching by name.
Sherwin-Williams Notable Hue and Vista Paint Calm Tint are delta-E 5.85 apart - a difference that shows up on a wall, not just side by side on two chips.
The measured color distance between Sherwin-Williams Notable Hue and Vista Paint Calm Tint is delta-E 5.85.
Vista Paint Calm Tint is lighter than Sherwin-Williams Notable Hue by 6.3 points of light reflectance (LRV).
Vista Paint Calm Tint carries more color than Sherwin-Williams Notable Hue - a higher chroma value means a more intense, less grey color.
| Notable Hue | Calm Tint | |
|---|---|---|
| Brand | Sherwin-Williams | Vista Paint |
| Code | SW 6521 | 0645 |
| Hex | #8BA7BB | #91B3CE |
| Light reflectance | 36.7 | 43.0 |
| Undertone | blue | blue |
| Chroma | 14.4 | 18.2 |
| Hue angle | 249.4° | 253.3° |
| Color family | teal | teal |