Color

#18f78b

#18f78b
hex#18f78b
rgbrgb(24, 247, 139)
hslhsl(151, 93%, 53%)
oklchoklch(0.858 0.214 153.7)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6858

Colors that go with #18f78b

Violet, Charcoal and Deep Sky 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 →

#f71883

#18f71b · #18f3f7

#8b18f7 · #f78b18

Split-complementary

Open in tool →

#f718f3 · #f71b18

#1b18f7 · #f71883 · #f3f718

Contrast

#18f78b as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #058547 as the text (4.72:1)
  • AAA: use #046235 as the text (7.49:1)
  • AA: or shift the background to #5e5e5e (4.54:1)
  • AAA: or shift the background to #424242 (7.04:1)
Aaon black
14.72:1passpasspassPasses 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 #18f78b 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 #18f78b
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 #18f78b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18f78b-a2beb4-d459d0-1f2d2c-e9f1ea?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