Color

#1ef649

#1ef649
hex#1ef649
rgbrgb(30, 246, 73)
hslhsl(132, 92%, 54%)
oklchoklch(0.848 0.262 144.8)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6667

Colors that go with #1ef649

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 →

#f61eca

#5ff61e · #1ef6b5

#491ef6 · #f6491e

Split-complementary

Open in tool →

#b51ef6 · #f61e5f

#1e5ff6 · #f61eca · #f6b51e

Contrast

#1ef649 as textRatioAAAA largeAAAFix
Aaon white
1.47:1failfailfail
  • AA: use #068920 as the text (4.56:1)
  • AAA: use #046718 as the text (7.1:1)
  • AA: or shift the background to #5c5c5c (4.56:1)
  • AAA: or shift the background to #404040 (7.08:1)
Aaon black
14.33:1passpasspassPasses 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 #1ef649 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 #1ef649
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 #1ef649 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ef649-a2beab-b64edf-1f2d28-ecf1e9?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