Color

#4eb819

#4eb819
hex#4eb819
rgbrgb(78, 184, 25)
hslhsl(100, 76%, 41%)
oklchoklch(0.693 0.207 138.3)
Closest name: Frog (#58bc08)Relative luminance 0.3597

Colors that go with #4eb819

Royal Blue, Taupe and Orchid 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 →

#8319b8

#9eb819 · #19b834

#194eb8 · #b8194e

Split-complementary

Open in tool →

#3419b8 · #b8199e

#199eb8 · #8319b8 · #b83419

Contrast

#4eb819 as textRatioAAAA largeAAAFix
Aaon white
2.56:1failfailfail
  • AA: use #398712 as the text (4.52:1)
  • AAA: use #2a630d as the text (7.27:1)
  • AA: or shift the background to #383838 (4.58:1)
  • AAA: or shift the background to #141414 (7.19:1)
Aaon black
8.19:1passpasspassPasses 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 #4eb819 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 #4eb819
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 #4eb819 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4eb819-a8bea2-694edf-1f2d21-f0f1e9?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