Krypton (SW 6247) vs Stardew (SW 9138)
Quick decision
- Lighter
- Krypton, LRV 52 vs 43.
- Warmer
- About the same, both blue-gray (Lab b* -2.5 vs -3.0).
- North rooms
- Krypton keeps more brightness (L* 73.2 vs 67.7 in north light); both drift gray about equally.
- Trim that works
- Sky High SW 6504, #DCE7E8, LRV 78: the Sherwin-Williams white closest in hue to both.
- Closeness
- deltaE 4.4, noticeably different. At 4.4, test both: on a full wall the difference will show.
See each color
Krypton (SW 6247) is lighter than Stardew (SW 9138) and about as warm: LRV 52 vs 43, deltaE 4.4 (noticeably different).
Side by side
| Measure | Krypton | Stardew | Gap |
|---|---|---|---|
| Brand | Sherwin-Williams | Sherwin-Williams | |
| Color code | SW 6247 | SW 9138 | |
| Hex | #B8C0C3 | #A6B2B5 | |
| RGB | 184, 192, 195 | 166, 178, 181 | |
| HSL | 196°, 8%, 74% | 192°, 9%, 68% | |
| LRV (light reflectance value) | 52 | 43 | +9 |
| Lab L* | 77.2 | 71.8 | +5.4 |
| Lab a* | -2.2 | -3.6 | +1.4 |
| Lab b* | -2.5 | -3.0 | +0.5 |
| Undertone | Neutral | Neutral | |
| Temperature | neutral | neutral | |
| Color family | Gray | Gray |
Same paint, two kinds of light
Krypton (SW 6247), published as #B8C0C3
#A6B6C1
#CACAC3
Stardew (SW 9138), published as #A6B2B5
#94A8B3
#B8BCB5
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Which should you pick
Rules of thumb computed from the LRV and Lab values in the table above; no room test was done.
- Pick Krypton (SW 6247) for a small room or a north-facing room, because it is 9 LRV points lighter (52 vs 43), so it bounces back more of the limited light
Closest matches to Krypton in other brands
Closest matches to Stardew in other brands
Common questions
- Is Krypton the same color as Stardew?
- They are noticeably different: a CIEDE2000 difference of 4.4. Most people can see the difference between Krypton and Stardew side by side.
- Which is lighter, Krypton or Stardew?
- Krypton, with an LRV of 52 against 43.
Full pages
Related comparisons
Sources: LRV and hex as published by the manufacturer, via PaintDB (CC BY 4.0). Color differences are CIEDE2000 values computed by this site from the hex values (data snapshot 2026-10-01). Color names and codes belong to their manufacturers.