Clean Slate vs Sea Mariner
Both from Sherwin-Williams's palette. Hue-wise, Clean Slate belongs to the blue-green family and Sea Mariner to the blue-grey family. Clean Slate (LRV 76) reflects noticeably more light than Sea Mariner (LRV 7), a difference of 70 points that becomes especially apparent in rooms with limited natural light. Clean Slate runs neutral while Sea Mariner is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 59.2, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Clean Slate vs Sea Mariner in Real Spaces
1 real room side by side. Seeing Clean Slate and Sea Mariner in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Mudroom
Mudrooms are seen in passing, often under whatever light comes through the door — a context that favors colors with some depth. Clean Slate returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Clean Slate vs Sea Mariner Simulated Comparison
5 simulated room previews — drag the slider on each to see Clean Slate on one side and Sea Mariner on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Clean Slate comparisons
See how Clean Slate stacks up against other well-photographed colors across different brands and tones.
White Dove reads slightly lighter (LRV 83 vs 76), a gap that shows most in low-lit rooms.
A 7-point LRV gap (76 vs 69) makes Clean Slate the marginally brighter of the two.
Clean Slate reflects far more light (LRV 76 vs 6), opening up a space where Iron Ore encloses it.
At LRV 76 vs 52, Clean Slate is decisively the brighter choice.
At LRV 76 vs 30, Clean Slate is decisively the brighter choice.
Clean Slate reflects far more light (LRV 76 vs 52), opening up a space where Mizzle encloses it.
At LRV 76 vs 60, Clean Slate is decisively the brighter choice.
Clean Slate reflects far more light (LRV 76 vs 58), opening up a space where Accessible Beige encloses it.
Clean Slate reflects far more light (LRV 76 vs 27), opening up a space where Denim Drift encloses it.
At LRV 76 vs 43, Clean Slate is decisively the brighter choice.
At LRV 76 vs 4, Clean Slate is decisively the brighter choice.
Clean Slate reflects far more light (LRV 76 vs 55), opening up a space where Tranquil Dawn encloses it.
Clean Slate reflects far more light (LRV 76 vs 13), opening up a space where Bancha encloses it.
Clean Slate reflects far more light (LRV 76 vs 44), opening up a space where Hardwick White encloses it.
A 8-point LRV gap (84 vs 76) makes Pure White the marginally brighter of the two.
At LRV 76 vs 21, Clean Slate is decisively the brighter choice.
Clean Slate reads slightly lighter (LRV 76 vs 66), a gap that shows most in low-lit rooms.
With LRVs of 76 and 74, the two reflect almost the same amount of light.
Snowbound reads slightly lighter (LRV 83 vs 76), a gap that shows most in low-lit rooms.
Clean Slate reflects far more light (LRV 76 vs 12), opening up a space where Pewter Green encloses it.
Clean Slate reads slightly lighter (LRV 76 vs 68), a gap that shows most in low-lit rooms.
At LRV 76 vs 41, Clean Slate is decisively the brighter choice.
A 9-point LRV gap (76 vs 68) makes Clean Slate the marginally brighter of the two.
At LRV 76 vs 25, Clean Slate is decisively the brighter choice.
Clean Slate reflects far more light (LRV 76 vs 12), opening up a space where Vintage Vogue encloses it.
Clean Slate reflects far more light (LRV 76 vs 45), opening up a space where Saybrook Sage encloses it.
At LRV 76 vs 31, Clean Slate is decisively the brighter choice.
At LRV 76 vs 7, Clean Slate is decisively the brighter choice.
At LRV 76 vs 24, Clean Slate is decisively the brighter choice.
At LRV 76 vs 57, Clean Slate is decisively the brighter choice.