Color

#408c6f

#408c6f
hex#408c6f
rgbrgb(64, 140, 111)
hslhsl(157, 37%, 40%)
oklchoklch(0.583 0.089 165.9)
Closest name: Illuminati Green (#419168)Relative luminance 0.2099

Colors that go with #408c6f

Charcoal, Copper and Medium Violet Red 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 #408c6f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8c405d

#408c49 · #40838c

#6f408c · #8c6f40

Split-complementary

Open in tool →

#8c4083 · #8c4940

#49408c · #8c405d · #838c40

Contrast

#408c6f as textRatioAAAA largeAAAFix
Aaon white
4.04:1failpassfail
  • AA: use #3b8166 as the text (4.65:1)
  • AAA: use #2d624e as the text (7.07:1)
  • AA: or shift the background to #141414 (4.56:1)
Aaon black
5.2:1passpassfail
  • AAA: use #4da885 as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #408c6f 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 #408c6f
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 #408c6f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/408c6f-a2beb7-d459c4-1f2c2d-e9f1ea?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