PPG 1161-4 and Vista Paint 0618, ΔE 4.58 apart
PPG Blue Promise (1161-4) and Vista Paint Heavenly Sky (0618) measure a delta-E of 4.58 apart. Blue Promise is 5 LRV points lighter, which is the difference you notice first. Blue Promise holds more color, chroma 24.5 against 21.6, so it grays out less in dim light. These read as related but distinct. Sample both before committing. If you need the Heavenly Sky depth in PPG's line, start from its LRV of 28.0 rather than matching by name.
PPG Blue Promise and Vista Paint Heavenly Sky are delta-E 4.58 apart - a difference that shows up on a wall, not just side by side on two chips.
The measured color distance between PPG Blue Promise and Vista Paint Heavenly Sky is delta-E 4.58.
PPG Blue Promise is lighter than Vista Paint Heavenly Sky by 5 points of light reflectance (LRV).
| Blue Promise | Heavenly Sky | |
|---|---|---|
| Brand | PPG | Vista Paint |
| Code | 1161-4 | 0618 |
| Hex | #729CC2 | #7192B4 |
| Light reflectance | 33.0 | 28.0 |
| Undertone | blue | blue |
| Chroma | 24.5 | 21.6 |
| Hue angle | 259.7° | 262.4° |
| Color family | blue | blue |