Color

#1aef41

#1aef41
hex#1aef41
rgbrgb(26, 239, 65)
hslhsl(131, 87%, 52%)
oklchoklch(0.829 0.26 144.4)
Closest name: Becquerel (#4bec13)Relative luminance 0.6233

Colors that go with #1aef41

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 →

#ef1ac8

#5eef1a · #1aefac

#411aef · #ef411a

Split-complementary

Open in tool →

#ac1aef · #ef1a5e

#1a5eef · #ef1ac8 · #efac1a

Contrast

#1aef41 as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #098620 as the text (4.73:1)
  • AAA: use #076418 as the text (7.38:1)
  • AA: or shift the background to #575757 (4.63:1)
  • AAA: or shift the background to #3b3b3b (7.18:1)
Aaon black
13.47:1passpasspassPasses 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 #1aef41 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 #1aef41
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 #1aef41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1aef41-a2beaa-b34edf-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