Color
#16666a
#16666argb(22, 102, 106)hsl(183, 66%, 25%)oklch(0.467 0.073 200.1)Colors that go with #16666a
Charcoal, Crimson and Blue 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 text near-black for #16666a: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
complementaryshippedCrimson sits directly opposite #16666a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped6 real palettes, including Warp's brand system and Rolex's brand system put Blue beside #16666a, as the supporting colour.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #16666a: 4 real palettes, including Alpine and Open House, as the supporting colour.
Champagne #f7e7ce
shipped4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #16666a, as the surface under it.
Copper #b87333
shippedDesigners have shipped Copper with #16666a: 4 real palettes, including Desert Road and Dusk, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #16666a: 13 real palettes, including The New York Times's brand system and HP's brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #16666a: 4 real palettes, including Fireside and Wendy's's brand system, as the lead colour.
Real palettes that use #16666a
Tints & shades
Harmonies
Contrast
| #16666a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.68:1 | pass | pass | fail |
|
Aaon black | 3.14:1 | fail | 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 #16666a as the background.
Brands using this color
Fonts for this mood
#16666a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:
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 #16666a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/16666a-a2b9be-d4598e-1f262d-e9f1ee?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