Color

#668557

#668557
hex#668557
rgbrgb(102, 133, 87)
hslhsl(100, 21%, 43%)
oklchoklch(0.581 0.076 135.8)
Closest name: Beyond the Pines (#688049)Relative luminance 0.2029

Colors that go with #668557

Charcoal, Medium Purple 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.

Real palettes that use #668557

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#755785

#7d8557 · #57855e

#576685 · #855766

Split-complementary

Open in tool →

#5e5785 · #85577d

#577d85 · #755785 · #855e57

Contrast

#668557 as textRatioAAAA largeAAAFix
Aaon white
4.15:1failpassfail
  • AA: use #5f7b51 as the text (4.73:1)
  • AAA: use #475d3c as the text (7.24:1)
  • AA: or shift the background to #121212 (4.51:1)
Aaon black
5.06:1passpassfail
  • AAA: use #7fa06e as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668557 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #668557
live endpoint

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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #668557 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668557-a8bea2-694edf-1f2d21-f0f1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md