Color

#437f4b

#437f4b
hex#437f4b
rgbrgb(67, 127, 75)
hslhsl(128, 31%, 38%)
oklchoklch(0.542 0.102 147)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1688

Colors that go with #437f4b

Charcoal, Royal Blue and Dark Orchid 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 →

#7f4377

#597f43 · #437f69

#4b437f · #7f4b43

Split-complementary

Open in tool →

#69437f · #7f4359

#43597f · #7f4377 · #7f6943

Contrast

#437f4b as textRatioAAAA largeAAAFix
Aaon white
4.8:1passpassfail
  • AAA: use #336139 as the text (7.22:1)
Aaon black
4.38:1failpassfail
  • AA: use #45824d as the text (4.55:1)
  • AAA: use #58a763 as the text (7.12:1)
  • AA: or shift the background to #fafafa (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #437f4b as the background.

Brands using this color

mcpConnect your agent — build around #437f4b
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 #437f4b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/437f4b-a2bea9-ac4edf-1f2d27-ecf1e9?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