Color

#01e401

#01e401
hex#01e401
rgbrgb(1, 228, 1)
hslhsl(120, 99%, 45%)
oklchoklch(0.796 0.271 142.5)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.555

Colors that go with #01e401

Taupe, Violet 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 →

#e401e4

#73e401 · #01e473

#0101e4 · #e40101

Split-complementary

Open in tool →

#7301e4 · #e40173

#0173e4 · #e401e4 · #e47301

Contrast

#01e401 as textRatioAAAA largeAAAFix
Aaon white
1.74:1failfailfail
  • AA: use #018901 as the text (4.59:1)
  • AAA: use #016501 as the text (7.33:1)
  • AA: or shift the background to #525252 (4.5:1)
  • AAA: or shift the background to #333333 (7.28:1)
Aaon black
12.1:1passpasspassPasses 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 #01e401 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 #01e401
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 #01e401 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01e401-a2bea5-994edf-1f2d25-edf1e9?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