Color

#1fe03f

#1fe03f
hex#1fe03f
rgbrgb(31, 224, 63)
hslhsl(130, 76%, 50%)
oklchoklch(0.79 0.245 144.4)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5396

Colors that go with #1fe03f

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 →

#e01fc0

#5fe01f · #1fe0a0

#3f1fe0 · #e03f1f

Split-complementary

Open in tool →

#a01fe0 · #e01f5f

#1f5fe0 · #e01fc0 · #e0a01f

Contrast

#1fe03f as textRatioAAAA largeAAAFix
Aaon white
1.78:1failfailfail
  • AA: use #128726 as the text (4.65:1)
  • AAA: use #0e671d as the text (7.06:1)
  • AA: or shift the background to #4f4f4f (4.6:1)
  • AAA: or shift the background to #333333 (7.09:1)
Aaon black
11.79:1passpasspassPasses 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 #1fe03f 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 #1fe03f
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 #1fe03f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fe03f-a2beaa-b14edf-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