Color

#4eca78

#4eca78
hex#4eca78
rgbrgb(78, 202, 120)
hslhsl(140, 54%, 55%)
oklchoklch(0.75 0.161 151.5)
Closest name: Emerald Green (#50c878)Relative luminance 0.4522

Colors that go with #4eca78

Charcoal, Mustard Yellow 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 →

#ca4ea1

#63ca4e · #4ecab6

#784eca · #ca784e

Split-complementary

Open in tool →

#b64eca · #ca4e63

#4e63ca · #ca4ea1 · #cab64e

Contrast

#4eca78 as textRatioAAAA largeAAAFix
Aaon white
2.09:1failfailfail
  • AA: use #288647 as the text (4.57:1)
  • AAA: use #1d6234 as the text (7.37:1)
  • AA: or shift the background to #454545 (4.59:1)
  • AAA: or shift the background to #262626 (7.24:1)
Aaon black
10.04:1passpasspassPasses 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 #4eca78 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 #4eca78
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 #4eca78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4eca78-a2beaf-c259d4-1f2d2a-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