Color

#4e9a18

#4e9a18
hex#4e9a18
rgbrgb(78, 154, 24)
hslhsl(95, 73%, 35%)
oklchoklch(0.613 0.173 136.1)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.248

Colors that go with #4e9a18

Charcoal, Crimson and 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 →

#64189a

#909a18 · #189a23

#184e9a · #9a184e

Split-complementary

Open in tool →

#23189a · #9a1890

#18909a · #64189a · #9a2318

Contrast

#4e9a18 as textRatioAAAA largeAAAFix
Aaon white
3.52:1failpassfail
  • AA: use #438415 as the text (4.62:1)
  • AAA: use #31610f as the text (7.38:1)
  • AA: or shift the background to #212121 (4.57:1)
Aaon black
5.96:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e9a18 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 #4e9a18
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 #4e9a18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e9a18-aabea2-5d4edf-1f2d20-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