Color

#18f28c

#18f28c
hex#18f28c
rgbrgb(24, 242, 140)
hslhsl(152, 89%, 52%)
oklchoklch(0.845 0.208 154.5)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6559

Colors that go with #18f28c

Deep Sky Blue, Violet and Charcoal 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 →

#f2187d

#18f21f · #18eaf2

#8c18f2 · #f28c18

Split-complementary

Open in tool →

#f218ea · #f21f18

#1f18f2 · #f2187d · #eaf218

Contrast

#18f28c as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #08874c as the text (4.58:1)
  • AAA: use #066539 as the text (7.17:1)
  • AA: or shift the background to #595959 (4.71:1)
  • AAA: or shift the background to #3d3d3d (7.3:1)
Aaon black
14.12:1passpasspassPasses 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 #18f28c 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 #18f28c
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 #18f28c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18f28c-a2beb4-d459ce-1f2d2d-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