ComparisonComparisonDunn-Edwards DEW383 and Sherwin-Williams SW 7757, ΔE 2.34 apart
Dunn-Edwards Cool December (DEW383) and Sherwin-Williams High Reflective White (SW 7757) measure a delta-E of 2.34 apart. Cool December is 4 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 1.7 and 3.1. The undertones part company: Cool December reads as a true neutral at hue angle 84.8 degrees, High Reflective White as a yellow cast at 109.9. Close, but a large sample of each will show the gap, particularly against white trim. If you need the High Reflective White depth in Dunn-Edwards's line, start from its LRV of 92.7 rather than matching by name.
Not quite, but close - Dunn-Edwards Cool December and Sherwin-Williams High Reflective White are delta-E 2.34 apart, close enough that most rooms would not show the difference.
The measured color distance between Dunn-Edwards Cool December and Sherwin-Williams High Reflective White is delta-E 2.34.
Dunn-Edwards Cool December is lighter than Sherwin-Williams High Reflective White by 4 points of light reflectance (LRV).
| Cool December | High Reflective White | |
|---|---|---|
| Brand | Dunn-Edwards | Sherwin-Williams |
| Code | DEW383 | SW 7757 |
| Hex | #FDFBF8 | #F7F7F1 |
| Light reflectance | 96.7 | 92.7 |
| Undertone | true neutral | yellow cast |
| Chroma | 1.7 | 3.1 |
| Hue angle | 84.8° | 109.9° |
| Color family | white | white |