Color

#1bc5ac

#1bc5ac
hex#1bc5ac
rgbrgb(27, 197, 172)
hslhsl(171, 76%, 44%)
oklchoklch(0.739 0.131 179)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4314

Colors that go with #1bc5ac

Charcoal, Hot Pink and 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 →

#c51b35

#1bc557 · #1b8ac5

#ac1bc5 · #c5ac1b

Split-complementary

Open in tool →

#c51b8a · #c5571b

#571bc5 · #c51b35 · #8ac51b

Contrast

#1bc5ac as textRatioAAAA largeAAAFix
Aaon white
2.18:1failfailfail
  • AA: use #128271 as the text (4.71:1)
  • AAA: use #0d6356 as the text (7.15:1)
  • AA: or shift the background to #424242 (4.61:1)
  • AAA: or shift the background to #242424 (7.12:1)
Aaon black
9.63:1passpasspassPasses 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 #1bc5ac 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 #1bc5ac
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 #1bc5ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bc5ac-a2bebd-d459a7-1f292d-e9f1ec?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