Color

#1bc601

#1bc601
hex#1bc601
rgbrgb(27, 198, 1)
hslhsl(112, 99%, 39%)
oklchoklch(0.718 0.241 141.9)
Closest name: Crude Banana (#21c40e)Relative luminance 0.4062

Colors that go with #1bc601

Blue, Royal Blue and Taupe 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 →

#ac01c6

#7ec601 · #01c649

#011bc6 · #c6011b

Split-complementary

Open in tool →

#4901c6 · #c6017e

#017ec6 · #ac01c6 · #c64901

Contrast

#1bc601 as textRatioAAAA largeAAAFix
Aaon white
2.3:1failfailfail
  • AA: use #138901 as the text (4.56:1)
  • AAA: use #0e6501 as the text (7.29:1)
  • AA: or shift the background to #404040 (4.51:1)
  • AAA: or shift the background to #1f1f1f (7.16:1)
Aaon black
9.12:1passpasspassPasses 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 #1bc601 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 #1bc601
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 #1bc601 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bc601-a2bea2-864edf-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