Color

#1bf34e

#1bf34e
hex#1bf34e
rgbrgb(27, 243, 78)
hslhsl(134, 90%, 53%)
oklchoklch(0.84 0.256 145.3)
Closest name: Becquerel (#4bec13)Relative luminance 0.6488

Colors that go with #1bf34e

Violet, Deep Sky Blue 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 →

#f31bc1

#55f31b · #1bf3b9

#4e1bf3 · #f34e1b

Split-complementary

Open in tool →

#b91bf3 · #f31b55

#1b55f3 · #f31bc1 · #f3b91b

Contrast

#1bf34e as textRatioAAAA largeAAAFix
Aaon white
1.5:1failfailfail
  • AA: use #078825 as the text (4.61:1)
  • AAA: use #05661c as the text (7.18:1)
  • AA: or shift the background to #595959 (4.66:1)
  • AAA: or shift the background to #3d3d3d (7.23:1)
Aaon black
13.98:1passpasspassPasses 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 #1bf34e 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 #1bf34e
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 #1bf34e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bf34e-a2beac-b559d4-1f2d29-ebf1e9?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