Color

#418b54

#418b54
hex#418b54
rgbrgb(65, 139, 84)
hslhsl(135, 36%, 40%)
oklchoklch(0.575 0.112 150)
Closest name: seagreen (#2e8b57)Relative luminance 0.2023

Colors that go with #418b54

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 →

#8b4178

#548b41 · #418b78

#54418b · #8b5441

Split-complementary

Open in tool →

#78418b · #8b4154

#41548b · #8b4178 · #8b7841

Contrast

#418b54 as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #3e844f as the text (4.55:1)
  • AAA: use #2e613b as the text (7.27:1)
  • AA: or shift the background to #121212 (4.5:1)
Aaon black
5.05:1passpassfail
  • AAA: use #50aa66 as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #418b54 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 #418b54
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 #418b54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/418b54-a2beac-b759d4-1f2d29-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