Color

#437574

#437574
hex#437574
rgbrgb(67, 117, 116)
hslhsl(179, 27%, 36%)
oklchoklch(0.527 0.054 194)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1518

Colors that go with #437574

Charcoal, Amber 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#754344

#43755b · #435d75

#744375 · #757443

Split-complementary

Open in tool →

#75435d · #755b43

#5b4375 · #754344 · #5d7543

Contrast

#437574 as textRatioAAAA largeAAAFix
Aaon white
5.2:1passpassfail
  • AAA: use #365e5d as the text (7.2:1)
Aaon black
4.04:1failpassfail
  • AA: use #497e7d as the text (4.56:1)
  • AAA: use #5da2a1 as the text (7.15:1)
  • AA: or shift the background to #f0f0f0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #437574 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 #437574
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 #437574 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/437574-a2bbbe-d45996-1f272d-e9f1ed?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