Color
#645667
#645667rgb(100, 86, 103)hsl(289, 9%, 37%)oklch(0.473 0.032 320.3)Colors that go with #645667
Sea Green, 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.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #645667 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Champagne #f7e7ce
shipped6 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #645667.
Copper #b87333
shippedDesigners have shipped Copper with #645667: 6 real palettes, including Dusk and Desert Road, as the accent.
Crimson #dc143c
shippedCrimson is paired with #645667 in 4 real palettes, including Codecademy's brand system and Amazon's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #645667: 7 real palettes, including HP's brand system and The New York Times's brand system, as the accent.
Goldenrod #daa520
shippedGoldenrod shows up next to #645667 in 4 real palettes, including Open House and Fireside, as the accent.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #645667 in 4 real palettes, including Console Light and Undergrowth, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #645667: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #645667
Tints & shades
Harmonies
Contrast
| #645667 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.84:1 | pass | pass | fail |
|
Aaon black | 3.07:1 | 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 #645667 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#645667 reads as muted, minimal. 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 #645667 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/645667-be9fc1-a8cb62-2d1f2a-ece9f1?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