Color

#4ea278

#4ea278
hex#4ea278
rgbrgb(78, 162, 120)
hslhsl(150, 35%, 47%)
oklchoklch(0.648 0.104 159.7)
Closest name: Cosmic Green (#30a877)Relative luminance 0.2882

Colors that go with #4ea278

Charcoal, Chocolate and Copper 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.

Real palettes that use #4ea278

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a24e78

#4ea24e · #4ea2a2

#784ea2 · #a2784e

Split-complementary

Open in tool →

#a24ea2 · #a24e4e

#4e4ea2 · #a24e78 · #a2a24e

Contrast

#4ea278 as textRatioAAAA largeAAAFix
Aaon white
3.1:1failpassfail
  • AA: use #3f8361 as the text (4.54:1)
  • AAA: use #2e6047 as the text (7.29:1)
  • AA: or shift the background to #2b2b2b (4.56:1)
Aaon black
6.76:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4ea278 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 #4ea278
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 #4ea278 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ea278-a2beb3-d459d2-1f2d2c-e9f1ea?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