Color

#437475

#437475
hex#437475
rgbrgb(67, 116, 117)
hslhsl(181, 27%, 36%)
oklchoklch(0.525 0.053 197.3)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1497

Colors that go with #437475

Charcoal, Sienna and Amber 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 →

#754443

#43755d · #435b75

#754374 · #747543

Split-complementary

Open in tool →

#75435b · #755d43

#5d4375 · #754443 · #5b7543

Contrast

#437475 as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #365d5e as the text (7.28:1)
Aaon black
3.99:1failpassfail
  • AA: use #497d7e as the text (4.52:1)
  • AAA: use #5da1a2 as the text (7.09:1)
  • AA: or shift the background to #f0f0f0 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #437475 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 #437475
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 #437475 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/437475-a2babe-d45992-1f272d-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