Color

#18f22a

#18f22a
hex#18f22a
rgbrgb(24, 242, 42)
hslhsl(125, 89%, 52%)
oklchoklch(0.835 0.273 143.1)
Closest name: Becquerel (#4bec13)Relative luminance 0.6387

Colors that go with #18f22a

Violet, Deep Sky Blue 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 →

#f218df

#72f218 · #18f297

#2a18f2 · #f22a18

Split-complementary

Open in tool →

#9718f2 · #f21872

#1872f2 · #f218df · #f29718

Contrast

#18f22a as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #088712 as the text (4.68:1)
  • AAA: use #06650e as the text (7.3:1)
  • AA: or shift the background to #595959 (4.59:1)
  • AAA: or shift the background to #3d3d3d (7.12:1)
Aaon black
13.77:1passpasspassPasses 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 #18f22a 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 #18f22a
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 #18f22a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18f22a-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