Sherwin-Williams Halcyon Green#90A092 · LRV 33
Why this color. Muted blue-sage pick designers cite as the quiet alternative to Pewter Green.
Halcyon Green reads as a green / cool — mid-tone — versatile but shifts visibly with light. The notes below cover the spec, what Sherwin-Williams SW 6213 actually looks like under different light, and the closest matches at competing US brands.
Color spec
| Brand | Sherwin-Williams |
| Name | Halcyon Green |
| SKU | SW 6213 |
| Hex | #90A092 |
| RGB | 144, 160, 146 |
| HSL | 127°, 8%, 60% |
| LRV | 33 |
| Undertone | green / cool |
| Family | Gray |
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 gray from that brand.
Behr
Valspar
Benjamin Moore
PPG / Glidden
Magnolia Home
Dunn-Edwards
Clare
Farrow & Ball
Coordinated palette
Generated by hue-rotating #90A092 in HSL space. Pair Halcyon Green 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.