Color

#1efa64

#1efa64
hex#1efa64
rgbrgb(30, 250, 100)
hslhsl(139, 96%, 55%)
oklchoklch(0.86 0.249 147.2)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6957

Colors that go with #1efa64

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 →

#fa1eb5

#46fa1e · #1efad2

#641efa · #fa641e

Split-complementary

Open in tool →

#d21efa · #fa1e46

#1e46fa · #fa1eb5 · #fad21e

Contrast

#1efa64 as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #03872d as the text (4.66:1)
  • AAA: use #026421 as the text (7.38:1)
  • AA: or shift the background to #5e5e5e (4.6:1)
  • AAA: or shift the background to #424242 (7.14:1)
Aaon black
14.91:1passpasspassPasses 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 #1efa64 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 #1efa64
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 #1efa64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1efa64-a2beae-c059d4-1f2d2a-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