Cross-brand matchCross-brand matchSherwin-Williams SW 6821 translated into the Kilz line
The closest Kilz paint to Sherwin-Williams Potentially Purple (SW 6821) is Brushed Metal TB-32, a delta-E of 9.9 away — the closest Kilz has, and far enough away that you should sample it before committing.
Light reflectance is effectively identical, 61.5 against 62.0. Undertone reads as cool blue-gray against violet undertone, at chroma 1.1 and 10.8.
Codes are not transferable between manufacturers and no brand publishes a conversion table, so every figure here is measured from the published hex values rather than taken from a chart.
| Kilz color | ΔE | LRV | Undertone | |
|---|---|---|---|---|
| Brushed MetalTB-32 | 9.9 | 62.0 | cool blue-gray | Compare |
| Northern SkyTB-42 | 10.25 | 66.0 | cool blue-gray | Compare |
| Sea BalmTB-43 | 11.86 | 61.0 | blue undertone | Compare |
| Platinum RingRK180 | 12.3 | 53.0 | cool teal-gray | Compare |
| Mountain StreamTB-44 | 12.35 | 58.0 | teal undertone | Compare |
| Wind ChimeTB-41 | 12.48 | 75.0 | cool blue-gray | Compare |