Color

#27aa43

#27aa43
hex#27aa43
rgbrgb(39, 170, 67)
hslhsl(133, 63%, 41%)
oklchoklch(0.648 0.181 146.3)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2959

Colors that go with #27aa43

Charcoal, Blue 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 →

#aa278e

#4caa27 · #27aa85

#4327aa · #aa4327

Split-complementary

Open in tool →

#8527aa · #aa274c

#274caa · #aa278e · #aa8527

Contrast

#27aa43 as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #1e8534 as the text (4.71:1)
  • AAA: use #176427 as the text (7.27:1)
  • AA: or shift the background to #2b2b2b (4.66:1)
Aaon black
6.92:1passpassfail
  • AAA: use #28af45 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #27aa43 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 #27aa43
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 #27aa43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27aa43-a2beab-b84edf-1f2d28-ebf1e9?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