Color

#18e23d

#18e23d
hex#18e23d
rgbrgb(24, 226, 61)
hslhsl(131, 81%, 49%)
oklchoklch(0.794 0.249 144.4)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5492

Colors that go with #18e23d

Taupe, Violet and Charcoal 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 →

#e218bd

#58e218 · #18e2a2

#3d18e2 · #e23d18

Split-complementary

Open in tool →

#a218e2 · #e21858

#1858e2 · #e218bd · #e2a218

Contrast

#18e23d as textRatioAAAA largeAAAFix
Aaon white
1.75:1failfailfail
  • AA: use #0e8624 as the text (4.71:1)
  • AAA: use #0b661b as the text (7.17:1)
  • AA: or shift the background to #4f4f4f (4.67:1)
  • AAA: or shift the background to #333333 (7.21:1)
Aaon black
11.98:1passpasspassPasses 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 #18e23d 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 #18e23d
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 #18e23d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18e23d-a2beaa-b34edf-1f2d28-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