Color

#437f59

#437f59
hex#437f59
rgbrgb(67, 127, 89)
hslhsl(142, 31%, 38%)
oklchoklch(0.545 0.087 154.5)
Closest name: Amazon (#387b54)Relative luminance 0.1709

Colors that go with #437f59

Charcoal, Medium Violet Red 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 →

#7f4369

#4b7f43 · #437f77

#59437f · #7f5943

Split-complementary

Open in tool →

#77437f · #7f434b

#434b7f · #7f4369 · #7f7743

Contrast

#437f59 as textRatioAAAA largeAAAFix
Aaon white
4.75:1passpassfail
  • AAA: use #336144 as the text (7.16:1)
Aaon black
4.42:1failpassfail
  • AA: use #45825b as the text (4.6:1)
  • AAA: use #58a775 as the text (7.2:1)
  • AA: or shift the background to #fafafa (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #437f59 as the background.

Brands using this color

mcpConnect your agent — build around #437f59
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 #437f59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/437f59-a2beaf-c659d4-1f2d2a-eaf1e9?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