Color

#18cd04

#18cd04
hex#18cd04
rgbrgb(24, 205, 4)
hslhsl(114, 96%, 41%)
oklchoklch(0.737 0.247 142.1)
Closest name: Demeter Green (#02cc02)Relative luminance 0.4387

Colors that go with #18cd04

Taupe, Violet and Hot Pink 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 →

#b904cd

#7dcd04 · #04cd54

#0418cd · #cd0418

Split-complementary

Open in tool →

#5404cd · #cd047d

#047dcd · #b904cd · #cd5404

Contrast

#18cd04 as textRatioAAAA largeAAAFix
Aaon white
2.15:1failfailfail
  • AA: use #108703 as the text (4.68:1)
  • AAA: use #0c6402 as the text (7.4:1)
  • AA: or shift the background to #424242 (4.68:1)
  • AAA: or shift the background to #262626 (7.04:1)
Aaon black
9.77:1passpasspassPasses 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 #18cd04 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 #18cd04
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 #18cd04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18cd04-a2bea2-8a4edf-1f2d24-eef1e9?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