Color
#669c54
#669c54rgb(102, 156, 84)hsl(105, 30%, 47%)oklch(0.637 0.117 138.3)Colors that go with #669c54
Charcoal, Copper and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #669c54: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Copper #b87333
shippedCopper is paired with #669c54 in 4 real palettes, including Clean Beauty and Wellness, as the accent — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #669c54 in 5 real palettes, including DuckDuckGo's brand system and Diner, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Dark Olive Green #556b2f
shippedDark Olive Green is paired with #669c54 in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #669c54 in 6 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #669c54 in 4 real palettes, including Telehealth and Fintech Trust, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #669c54 in 4 real palettes, including Console Light and Telehealth, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Medium Orchid #ba55d3
complementaryMedium Orchid sits directly opposite #669c54 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #669c54
Tints & shades
Harmonies
Contrast
| #669c54 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.26:1 | fail | pass | fail | |
Aaon black | 6.45:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #669c54 as the background.
Brands using this color
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #669c54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/669c54-a6bea2-754edf-1f2d22-eff1e9?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md