ComparisonComparisonSherwin-Williams SW 6556 and Valspar 4001-3C, ΔE 4.33 apart
Sherwin-Williams Obi Lilac (SW 6556) and Valspar Midsummer Twilight (4001-3C) measure a delta-E of 4.33 apart. Midsummer Twilight is 4 LRV points lighter, which is the difference you notice first. Obi Lilac holds more color, chroma 11.6 against 8.4, so it grays out less in dim light. The undertones part company: Obi Lilac reads as a violet undertone at hue angle 315.7 degrees, Midsummer Twilight as a purple undertone at 322.7. These read as related but distinct. Sample both before committing. If you need the Obi Lilac depth in Valspar's line, start from its LRV of 38.7 rather than matching by name.
Sherwin-Williams Obi Lilac and Valspar Midsummer Twilight are delta-E 4.33 apart - a difference that shows up on a wall, not just side by side on two chips.
The measured color distance between Sherwin-Williams Obi Lilac and Valspar Midsummer Twilight is delta-E 4.33.
Valspar Midsummer Twilight is lighter than Sherwin-Williams Obi Lilac by 4 points of light reflectance (LRV).
Sherwin-Williams Obi Lilac carries more color than Valspar Midsummer Twilight - a higher chroma value means a more intense, less grey color.
| Obi Lilac | Midsummer Twilight | |
|---|---|---|
| Brand | Sherwin-Williams | Valspar |
| Code | SW 6556 | 4001-3C |
| Hex | #B0A3B6 | #B7ABB8 |
| Light reflectance | 38.7 | 42.7 |
| Undertone | violet undertone | purple undertone |
| Chroma | 11.6 | 8.4 |
| Hue angle | 315.7° | 322.7° |
| Color family | purple | pink |