Color

#1fcb01

#1fcb01
hex#1fcb01
rgbrgb(31, 203, 1)
hslhsl(111, 99%, 40%)
oklchoklch(0.732 0.245 141.8)
Closest name: Demeter Green (#02cc02)Relative luminance 0.4301

Colors that go with #1fcb01

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 →

#ad01cb

#84cb01 · #01cb48

#011fcb · #cb011f

Split-complementary

Open in tool →

#4801cb · #cb0184

#0184cb · #ad01cb · #cb4801

Contrast

#1fcb01 as textRatioAAAA largeAAAFix
Aaon white
2.19:1failfailfail
  • AA: use #158901 as the text (4.55:1)
  • AAA: use #106501 as the text (7.28:1)
  • AA: or shift the background to #424242 (4.59:1)
  • AAA: or shift the background to #242424 (7.1:1)
Aaon black
9.6:1passpasspassPasses 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 #1fcb01 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 #1fcb01
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 #1fcb01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fcb01-a3bea2-834edf-1f2d23-eef1e9?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