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Sherwin-Williams SW-9174 / Color character

Moth Wing Undertones: What to Compare Beside Your Finishes

Moth Wing is a warm beige-gray with a substantial midtone depth. A physical comparison is needed to decide how that character works with your own finishes.

Color guide · Updated September 23, 2026

Living room with layered natural materials and soft window light

Start with the documented color character

Moth Wing is a warm beige-gray with a substantial midtone depth. A physical comparison is needed to decide how that character works with your own finishes. Moth Wing has considerably more depth than Mushroom SW-9587, making it a distinct darker beige-gray direction.

Why the ivory seating and dark walnut relationship matters

Ivory seating creates contrast across the room, while walnut needs its own close boundary check against the wall.

Moth Wing has an LRV of 29; Sherwin-Williams Mushroom SW-9587 is 57. The difference is 28 points, with Mushroom returning more light under the reference measurement. Mushroom SW-9587 has a light-to-medium reflectance value; the name alone does not establish a precise undertone. This supplies a named color control; the LRV gap alone does not identify the warmer, greener or pinker paint.

Use Mushroom as a control

Give Moth Wing enough illuminated area to reveal its color, then move the same board into the normal shadow. Compare it briefly with Mushroom. Decide whether the hue is important everywhere or whether a near-black impression is acceptable in the darker parts of the planned surface.

Separate a persistent cast from a comparison effect

Check the dark wood against the wall; if both lose their outlines, add a lighter break or select less depth. The warm-versus-cool comparison covers that related choice.

If the unwanted cast remains beside a permanent finish under normal light, that is a practical reason to replace Moth Wing. If it appears only beside an unused sample, remove the comparison and assess the intended palette alone. Before ordering samples, compare room-planning features in the paint color visualizer roundup.

Sources & notes

Color specifications: Sherwin-Williams Moth Wing SW-9174. The recorded LRV is 29. Named comparison values come from the respective manufacturers; material schemes are editorial suggestions.

This guide reviews published color information and proposes practical sample checks. It does not claim first-hand paint testing or customer-review scores. Sherwin-Williams does not sponsor or endorse this site. Product names and trademarks belong to their respective owners. Confirm the color in a physical sample and select the coating for the actual surface and finish.