Color

#27aa55

#27aa55
hex#27aa55
rgbrgb(39, 170, 85)
hslhsl(141, 63%, 41%)
oklchoklch(0.65 0.165 150)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2984

Colors that go with #27aa55

Charcoal, Blue and Crimson 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 →

#aa277c

#3aaa27 · #27aa97

#5527aa · #aa5527

Split-complementary

Open in tool →

#9727aa · #aa273a

#273aaa · #aa277c · #aa9727

Contrast

#27aa55 as textRatioAAAA largeAAAFix
Aaon white
3.01:1failpassfail
  • AA: use #1e8542 as the text (4.68:1)
  • AAA: use #176432 as the text (7.23:1)
  • AA: or shift the background to #2e2e2e (4.51:1)
Aaon black
6.97:1passpassfail
  • AAA: use #28af57 as the text (7.36:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #27aa55 as the background.

Brands using this color

mcpConnect your agent — build around #27aa55
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 #27aa55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27aa55-a2beaf-c459d4-1f2d2a-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