Color

#18cd30

#18cd30
hex#18cd30
rgbrgb(24, 205, 48)
hslhsl(128, 79%, 45%)
oklchoklch(0.738 0.235 143.8)
Closest name: Lime Green (#32cd32)Relative luminance 0.4407

Colors that go with #18cd30

Violet, Hot Pink 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 →

#cd18b5

#5bcd18 · #18cd8b

#3018cd · #cd3018

Split-complementary

Open in tool →

#8b18cd · #cd185b

#185bcd · #cd18b5 · #cd8b18

Contrast

#18cd30 as textRatioAAAA largeAAAFix
Aaon white
2.14:1failfailfail
  • AA: use #108920 as the text (4.54:1)
  • AAA: use #0c6418 as the text (7.36:1)
  • AA: or shift the background to #424242 (4.7:1)
  • AAA: or shift the background to #262626 (7.07:1)
Aaon black
9.81:1passpasspassPasses 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 #18cd30 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 #18cd30
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 #18cd30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18cd30-a2bea9-ac4edf-1f2d27-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