PPG / Glidden Rapid Rock#A39281 · LRV 30
Rapid Rock reads as a red-orange / warm — mid-tone — versatile but shifts visibly with light. The notes below cover the spec, what PPG / Glidden 15-19 actually looks like under different light, and the closest matches at competing US brands.
Color spec
| Brand | PPG / Glidden |
| Name | Rapid Rock |
| SKU | 15-19 |
| Hex | #A39281 |
| RGB | 163, 146, 129 |
| HSL | 30°, 16%, 57% |
| LRV | 30 |
| Undertone | red-orange / warm |
| Family | Neutral |
About PPG / Glidden Rapid Rock
Rapid Rock sits in the mid-range at LRV 30, so it shifts visibly through the day — lighter and more open in morning light, deeper and moodier after dark. Its orange undertone is the part to watch: it gets picked up by whatever sits next to it, so test it against your trim, floor and the room's main light before committing. South-facing rooms will pull it lighter and warmer, while north light cools it down.
Rapid Rock is versatile enough for full rooms but has enough depth to anchor a space, so it suits living rooms, bedrooms and cabinetry alike. Greige-leaning neutrals like this are the safe whole-home choice when you want warmth without committing to a color.
Kompozit alternative
The closest hex in the Kompozit deck, ranked by ΔE2000 (perceptual color difference). ΔE under 2 is indistinguishable to most eyes; under 5 is a very close visual match.
Closest matches at every US brand
9 brands · top 5 each5 closest matches per brand by ΔE2000, computed against each brand's full deck. Tap any swatch for its full single-color spec; tap the brand title to browse all neutral from that brand.
Sherwin-Williams
Behr
Benjamin Moore
Dunn-Edwards
Backdrop
Valspar
Farrow & Ball
Magnolia Home
Clare
Similar PPG / Glidden colors
closest in the PPG / Glidden deckThe nearest shades to Rapid Rock within PPG / Glidden's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
Coordinated palette
Generated by hue-rotating #A39281 in HSL space. Pair Rapid Rock with one accent and one neutral — the swatches below are starting points, not final picks.
Accessibility (WCAG contrast)
WCAG 2.1: AA = 4.5:1 normal text · AA Large = 3:1 large text · AAA = 7:1 normal text.