Color

#408c54

#408c54
hex#408c54
rgbrgb(64, 140, 84)
hslhsl(136, 37%, 40%)
oklchoklch(0.577 0.114 150)
Closest name: seagreen (#2e8b57)Relative luminance 0.2049

Colors that go with #408c54

Charcoal, Royal Blue 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 →

#8c4078

#528c40 · #408c7a

#54408c · #8c5440

Split-complementary

Open in tool →

#7a408c · #8c4052

#40528c · #8c4078 · #8c7a40

Contrast

#408c54 as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #3b814e as the text (4.73:1)
  • AAA: use #2d623b as the text (7.19:1)
  • AA: or shift the background to #121212 (4.55:1)
Aaon black
5.1:1passpassfail
  • AAA: use #4da865 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #408c54 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 #408c54
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 #408c54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/408c54-a2bead-b959d4-1f2d29-ebf1e9?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