Color

#18e229

#18e229
hex#18e229
rgbrgb(24, 226, 41)
hslhsl(125, 81%, 49%)
oklchoklch(0.793 0.258 143.2)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5475

Colors that go with #18e229

Taupe, Violet and Dark Orange 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 →

#e218d1

#6ce218 · #18e28e

#2918e2 · #e22918

Split-complementary

Open in tool →

#8e18e2 · #e2186c

#186ce2 · #e218d1 · #e28e18

Contrast

#18e229 as textRatioAAAA largeAAAFix
Aaon white
1.76:1failfailfail
  • AA: use #0e8618 as the text (4.73:1)
  • AAA: use #0b6612 as the text (7.18:1)
  • AA: or shift the background to #4f4f4f (4.66:1)
  • AAA: or shift the background to #333333 (7.19:1)
Aaon black
11.95:1passpasspassPasses 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 #18e229 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 #18e229
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 #18e229 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18e229-a2bea7-a54edf-1f2d26-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