Copen Blue (SW 0068) vs Sea Salt (SW 6204)


Illustrative room. Screen colors vary; test a sample before you paint.
Quick decision
- Lighter
- Sea Salt, LRV 63 vs 59.
- Warmer
- Sea Salt, both green-gray (Lab b* 3.4 vs 2.8).
- North rooms
- Sea Salt keeps more brightness (L* 79.6 vs 77.1 in north light); both drift gray about equally.
- Trim that works
- Glimmer SW 6476, #E0E7E2, LRV 78: the Sherwin-Williams white closest in hue to both.
- Closeness
- deltaE 2.8, noticeably different. At 2.8, test both: on a full wall the difference will show.
See each color
Copen Blue (SW 0068) is slightly darker than Sea Salt (SW 6204) and about as warm: LRV 59 vs 63, deltaE 2.8 (noticeably different).
Side by side
| Measure | Copen Blue | Sea Salt | Gap |
|---|---|---|---|
| Brand | Sherwin-Williams | Sherwin-Williams | |
| Color code | SW 0068 | SW 6204 | |
| Hex | #C2CCC4 | #CDD2CA | |
| RGB | 194, 204, 196 | 205, 210, 202 | |
| HSL | 132°, 9%, 78% | 97°, 8%, 81% | |
| LRV (light reflectance value) | 59 | 63 | −4 |
| Lab L* | 81.1 | 83.6 | −2.5 |
| Lab a* | -4.9 | -3.1 | −1.7 |
| Lab b* | 2.8 | 3.4 | −0.6 |
| Undertone | Neutral | Cool Blue-Green | |
| Temperature | neutral | cool | |
| Color family | Gray | Gray |
Same paint, two kinds of light
Copen Blue (SW 0068), published as #C2CCC4
#B0C2C2
#D4D6C4
Sea Salt (SW 6204), published as #CDD2CA
#BBC8C8
#DFDCCA
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 Sea Salt (SW 6204) for a small room or a north-facing room, because it is 4 LRV points lighter (63 vs 59), so it bounces back more of the limited light
Closest matches to Copen Blue in other brands
Closest matches to Sea Salt in other brands
Common questions
- Is Copen Blue the same color as Sea Salt?
- They are noticeably different: a CIEDE2000 difference of 2.8. Most people can see the difference between Copen Blue and Sea Salt side by side.
- Which is lighter, Copen Blue or Sea Salt?
- Sea Salt, with an LRV of 63 against 59.
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.