Color

#0efb45

#0efb45
hex#0efb45
rgbrgb(14, 251, 69)
hslhsl(134, 97%, 52%)
oklchoklch(0.859 0.271 144.7)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6952

Colors that go with #0efb45

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 →

#fb0ec4

#4dfb0e · #0efbbc

#450efb · #fb450e

Split-complementary

Open in tool →

#bc0efb · #fb0e4d

#0e4dfb · #fb0ec4 · #fbbc0e

Contrast

#0efb45 as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #028821 as the text (4.62:1)
  • AAA: use #026419 as the text (7.4:1)
  • AA: or shift the background to #5e5e5e (4.6:1)
  • AAA: or shift the background to #424242 (7.13:1)
Aaon black
14.9:1passpasspassPasses 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 #0efb45 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 #0efb45
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 #0efb45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0efb45-a2beac-b559d4-1f2d29-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