Color

#409166

#409166
hex#409166
rgbrgb(64, 145, 102)
hslhsl(148, 39%, 41%)
oklchoklch(0.594 0.104 157.7)
Closest name: Illuminati Green (#419168)Relative luminance 0.223

Colors that go with #409166

Charcoal, Medium Violet Red 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#91406b

#429140 · #40918f

#664091 · #916640

Split-complementary

Open in tool →

#8f4091 · #914042

#404291 · #91406b · #918f40

Contrast

#409166 as textRatioAAAA largeAAAFix
Aaon white
3.85:1failpassfail
  • AA: use #3a835c as the text (4.58:1)
  • AAA: use #2c6346 as the text (7.05:1)
  • AA: or shift the background to #1a1a1a (4.53:1)
Aaon black
5.46:1passpassfail
  • AAA: use #49a775 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #409166 as the background.

Brands using this color

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

mcpConnect your agent — build around #409166
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 #409166 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/409166-a2beb2-d259d4-1f2d2c-eaf1e9?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