Color

#18d83b

#18d83b
hex#18d83b
rgbrgb(24, 216, 59)
hslhsl(131, 80%, 47%)
oklchoklch(0.768 0.24 144.5)
Closest name: Green Priestess (#11dd55)Relative luminance 0.4962

Colors that go with #18d83b

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 →

#d818b5

#55d818 · #18d89b

#3b18d8 · #d83b18

Split-complementary

Open in tool →

#9b18d8 · #d81855

#1855d8 · #d818b5 · #d89b18

Contrast

#18d83b as textRatioAAAA largeAAAFix
Aaon white
1.92:1failfailfail
  • AA: use #0f8524 as the text (4.77:1)
  • AAA: use #0b651c as the text (7.26:1)
  • AA: or shift the background to #4a4a4a (4.61:1)
  • AAA: or shift the background to #2e2e2e (7.06:1)
Aaon black
10.92:1passpasspassPasses 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 #18d83b 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 #18d83b
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 #18d83b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18d83b-a2beaa-b34edf-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