Color

#309137

#309137
hex#309137
rgbrgb(48, 145, 55)
hslhsl(124, 50%, 38%)
oklchoklch(0.58 0.156 144.3)
Closest name: Green Revolution (#009944)Relative luminance 0.2116

Colors that go with #309137

Charcoal, Crimson and Royal 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 →

#91308b

#5a9130 · #309167

#373091 · #913730

Split-complementary

Open in tool →

#673091 · #91305a

#305a91 · #91308b · #916730

Contrast

#309137 as textRatioAAAA largeAAAFix
Aaon white
4.01:1failpassfail
  • AA: use #2d8633 as the text (4.6:1)
  • AAA: use #216326 as the text (7.3:1)
  • AA: or shift the background to #141414 (4.59:1)
Aaon black
5.23:1passpassfail
  • AAA: use #39ac41 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #309137 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 #309137
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 #309137 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/309137-a2bea7-a24edf-1f2d26-edf1e9?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