Color
#665a6d
#665a6drgb(102, 90, 109)hsl(278, 10%, 39%)oklch(0.486 0.033 313.1)Colors that go with #665a6d
Charcoal, Champagne and Copper 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 #665a6d: softer than #000 and cool enough to feel like part of the same palette.
Champagne #f7e7ce
shipped5 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #665a6d.
Copper #b87333
shippedDesigners have shipped Copper with #665a6d: 5 real palettes, including Dusk and Desert Road, as the accent.
Crimson #dc143c
shippedCrimson is paired with #665a6d in 4 real palettes, including Codecademy's brand system and Wells Fargo's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #665a6d: 4 real palettes, including HP's brand system and Campus, as the accent.
Goldenrod #daa520
shippedGoldenrod shows up next to #665a6d in 4 real palettes, including Open House and Mid-Century, as the accent.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #665a6d in 4 real palettes, including Console Light and Indigo SaaS, as the accent.
Dark Olive Green #556b2f
complementaryDark Olive Green sits directly opposite #665a6d 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 #665a6d
Tints & shades
Harmonies
Contrast
| #665a6d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.47:1 | pass | pass | fail |
|
Aaon black | 3.25:1 | 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 #665a6d as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #665a6d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/665a6d-ba9cc4-bbcb62-2d1f2c-ebe9f1?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