Color

#5ab5ac

#5ab5ac
hex#5ab5ac
rgbrgb(90, 181, 172)
hslhsl(174, 38%, 53%)
oklchoklch(0.715 0.088 186.9)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.382

Colors that go with #5ab5ac

Charcoal, Blue and Crimson 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 →

#b55a63

#5ab57e · #5a90b5

#ac5ab5 · #b5ac5a

Split-complementary

Open in tool →

#b55a90 · #b57e5a

#7e5ab5 · #b55a63 · #90b55a

Contrast

#5ab5ac as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #3a827b as the text (4.51:1)
  • AAA: use #2b5f5a as the text (7.27:1)
  • AA: or shift the background to #3b3b3b (4.61:1)
  • AAA: or shift the background to #1c1c1c (7.01:1)
Aaon black
8.64:1passpasspassPasses 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 #5ab5ac as the background.

Brands using this color

mcpConnect your agent — build around #5ab5ac
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 #5ab5ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5ab5ac-a2bebe-d459a1-1f292d-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