Color

#0ff549

#0ff549
hex#0ff549
rgbrgb(15, 245, 73)
hslhsl(135, 92%, 51%)
oklchoklch(0.844 0.263 145.1)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6589

Colors that go with #0ff549

Violet, Deep Sky Blue 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 →

#f50fbc

#49f50f · #0ff5bc

#490ff5 · #f5490f

Split-complementary

Open in tool →

#bc0ff5 · #f50f49

#0f49f5 · #f50fbc · #f5bc0f

Contrast

#0ff549 as textRatioAAAA largeAAAFix
Aaon white
1.48:1failfailfail
  • AA: use #068927 as the text (4.55:1)
  • AAA: use #04671d as the text (7.09:1)
  • AA: or shift the background to #5c5c5c (4.51:1)
  • AAA: or shift the background to #3d3d3d (7.33:1)
Aaon black
14.18:1passpasspassPasses 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 #0ff549 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 #0ff549
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 #0ff549 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0ff549-a2beac-b759d4-1f2d29-ebf1e9?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