Color

#01e41c

#01e41c
hex#01e41c
rgbrgb(1, 228, 28)
hslhsl(127, 99%, 45%)
oklchoklch(0.797 0.266 143)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5558

Colors that go with #01e41c

Taupe, Violet and Deep Sky Blue 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 →

#e401ca

#58e401 · #01e48d

#1c01e4 · #e41c01

Split-complementary

Open in tool →

#8d01e4 · #e40158

#0158e4 · #e401ca · #e48d01

Contrast

#01e41c as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #018911 as the text (4.58:1)
  • AAA: use #01650c as the text (7.32:1)
  • AA: or shift the background to #525252 (4.51:1)
  • AAA: or shift the background to #333333 (7.29:1)
Aaon black
12.12:1passpasspassPasses 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 #01e41c 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 #01e41c
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 #01e41c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01e41c-a2bea8-aa4edf-1f2d27-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