Color

#18a534

#18a534
hex#18a534
rgbrgb(24, 165, 52)
hslhsl(132, 75%, 37%)
oklchoklch(0.63 0.189 145.2)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2735

Colors that go with #18a534

Blue, Dodger Blue and Royal Blue 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 →

#a51889

#42a518 · #18a57b

#3418a5 · #a53418

Split-complementary

Open in tool →

#7b18a5 · #a51842

#1842a5 · #a51889 · #a57b18

Contrast

#18a534 as textRatioAAAA largeAAAFix
Aaon white
3.25:1failpassfail
  • AA: use #13862a as the text (4.7:1)
  • AAA: use #0f6720 as the text (7.04:1)
  • AA: or shift the background to #262626 (4.66:1)
Aaon black
6.47:1passpassfail
  • AAA: use #19ae37 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18a534 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 #18a534
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 #18a534 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18a534-a2beab-b64edf-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