Color

#27ec4f

#27ec4f
hex#27ec4f
rgbrgb(39, 236, 79)
hslhsl(132, 84%, 54%)
oklchoklch(0.823 0.247 145.3)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.6099

Colors that go with #27ec4f

Violet, Deep Sky 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 →

#ec27c5

#62ec27 · #27ecb1

#4f27ec · #ec4f27

Split-complementary

Open in tool →

#b127ec · #ec2762

#2762ec · #ec27c5 · #ecb127

Contrast

#27ec4f as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #0c8825 as the text (4.6:1)
  • AAA: use #09671c as the text (7.07:1)
  • AA: or shift the background to #575757 (4.54:1)
  • AAA: or shift the background to #3b3b3b (7.04:1)
Aaon black
13.2:1passpasspassPasses 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 #27ec4f as the background.

Brands using this color

mcpConnect your agent — build around #27ec4f
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 #27ec4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27ec4f-a2beab-b64edf-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