Color

#27b040

#27b040
hex#27b040
rgbrgb(39, 176, 64)
hslhsl(131, 64%, 42%)
oklchoklch(0.664 0.19 145.5)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.3185

Colors that go with #27b040

Blue, Royal Blue and Taupe 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 →

#b02797

#52b027 · #27b084

#4027b0 · #b04027

Split-complementary

Open in tool →

#8427b0 · #b02752

#2752b0 · #b02797 · #b08427

Contrast

#27b040 as textRatioAAAA largeAAAFix
Aaon white
2.85:1failfailfail
  • AA: use #1d8631 as the text (4.66:1)
  • AAA: use #166424 as the text (7.29:1)
  • AA: or shift the background to #303030 (4.63:1)
  • AAA: or shift the background to #080808 (7.03:1)
Aaon black
7.37:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #27b040 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 #27b040
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 #27b040 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27b040-a2beaa-b34edf-1f2d28-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