Color

#3abbb0

#3abbb0
hex#3abbb0
rgbrgb(58, 187, 176)
hslhsl(175, 53%, 48%)
oklchoklch(0.721 0.111 186.7)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.3957

Colors that go with #3abbb0

Charcoal, Midnight Blue and Mustard Yellow 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 →

#bb3a44

#3abb70 · #3a85bb

#b03abb · #bbb03a

Split-complementary

Open in tool →

#bb3a85 · #bb703a

#703abb · #bb3a44 · #85bb3a

Contrast

#3abbb0 as textRatioAAAA largeAAAFix
Aaon white
2.36:1failfailfail
  • AA: use #288179 as the text (4.66:1)
  • AAA: use #1e625c as the text (7.1:1)
  • AA: or shift the background to #3d3d3d (4.61:1)
  • AAA: or shift the background to #1c1c1c (7.23:1)
Aaon black
8.91:1passpasspassPasses 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 #3abbb0 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 #3abbb0
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 #3abbb0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3abbb0-a2bdbe-d4599f-1f282d-e9f1ed?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