Oatmeal
Open in tool →Four warm greys from bark to oat — the neutral palette that photographs well and never argues with a product shot.
Color
#666257
#666257
hex
#666257rgb
rgb(102, 98, 87)hsl
hsl(44, 8%, 37%)oklch
oklch(0.496 0.018 90.3)Closest name: Black Forest (#5e6354)Relative luminance 0.1225
Colors that go with #666257
Charcoal, Blush Pink and Champagne 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 that reads cleanly against #666257 without the hard edge of pure #000.
Blush Pink #e8b4b8
shipped4 real palettes, including Blush and Graphite Mono put Blush Pink beside #666257, as the supporting colour.
Champagne #f7e7ce
shipped6 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #666257.
Copper #b87333
shippedDesigners have shipped Copper with #666257: 6 real palettes, including Clay & Linen and Desert Road, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #666257 in 6 real palettes, including Gemstone and Five Guys's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #666257: 7 real palettes, including HP's brand system and Campus, as the accent.
Goldenrod #daa520
shippedGoldenrod shows up next to #666257 in 5 real palettes, including Mid-Century and Fireside, as the accent.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #666257 in 4 real palettes, including Undergrowth and Console Light, as the lead colour.
Real palettes that use #666257
Tints & shades
Harmonies
Contrast
| #666257 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.09:1 | pass | pass | fail |
|
Aaon black | 3.45:1 | 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 #666257 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#666257 reads as muted, minimal. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #666257
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #666257 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/666257-c4be9c-62b1cb-2b2d1f-f1ebe9?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