Color

#18c615

#18c615
hex#18c615
rgbrgb(24, 198, 21)
hslhsl(119, 81%, 43%)
oklchoklch(0.718 0.238 142.5)
Closest name: Crude Banana (#21c40e)Relative luminance 0.4064

Colors that go with #18c615

Royal Blue, Taupe 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 →

#c415c6

#71c615 · #15c66b

#1518c6 · #c61518

Split-complementary

Open in tool →

#6b15c6 · #c61571

#1571c6 · #c415c6 · #c66b15

Contrast

#18c615 as textRatioAAAA largeAAAFix
Aaon white
2.3:1failfailfail
  • AA: use #118a0f as the text (4.5:1)
  • AAA: use #0c660b as the text (7.19:1)
  • AA: or shift the background to #404040 (4.51:1)
  • AAA: or shift the background to #1f1f1f (7.16:1)
Aaon black
9.13:1passpasspassPasses 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 #18c615 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 #18c615
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 #18c615 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18c615-a2bea5-964edf-1f2d25-edf1e9?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