Color

#18fb68

#18fb68
hex#18fb68
rgbrgb(24, 251, 104)
hslhsl(141, 97%, 54%)
oklchoklch(0.863 0.247 147.8)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7019

Colors that go with #18fb68

Violet, Hot Pink and Plum 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 →

#fb18ac

#3afb18 · #18fbd9

#6818fb · #fb6818

Split-complementary

Open in tool →

#d918fb · #fb183a

#183afb · #fb18ac · #fbd918

Contrast

#18fb68 as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #028831 as the text (4.6:1)
  • AAA: use #026424 as the text (7.37:1)
  • AA: or shift the background to #5e5e5e (4.64:1)
  • AAA: or shift the background to #424242 (7.2:1)
Aaon black
15.04:1passpasspassPasses 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 #18fb68 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 #18fb68
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 #18fb68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18fb68-a2beaf-c459d4-1f2d2a-eaf1e9?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