Color

#1bac4e

#1bac4e
hex#1bac4e
rgbrgb(27, 172, 78)
hslhsl(141, 73%, 39%)
oklchoklch(0.653 0.177 149)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.3029

Colors that go with #1bac4e

Charcoal, Blue and Royal 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 →

#ac1b79

#31ac1b · #1bac96

#4e1bac · #ac4e1b

Split-complementary

Open in tool →

#961bac · #ac1b31

#1b31ac · #ac1b79 · #ac961b

Contrast

#1bac4e as textRatioAAAA largeAAAFix
Aaon white
2.98:1failfailfail
  • AA: use #15843c as the text (4.78:1)
  • AAA: use #10652e as the text (7.18:1)
  • AA: or shift the background to #2e2e2e (4.56:1)
  • AAA: or shift the background to #000000 (7.06:1)
Aaon black
7.06:1passpasspassPasses 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 #1bac4e 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 #1bac4e
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 #1bac4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bac4e-a2beaf-c459d4-1f2d2a-eaf1e9?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