Color

#5bb3ac

#5bb3ac
hex#5bb3ac
rgbrgb(91, 179, 172)
hslhsl(175, 37%, 53%)
oklchoklch(0.71 0.086 188.6)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.3744

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b35b62

#5bb380 · #5b8fb3

#ac5bb3 · #b3ac5b

Split-complementary

Open in tool →

#b35b8f · #b3805b

#805bb3 · #b35b62 · #8fb35b

Contrast

#5bb3ac as textRatioAAAA largeAAAFix
Aaon white
2.47:1failfailfail
  • AA: use #3b817b as the text (4.55:1)
  • AAA: use #2b5e5a as the text (7.36:1)
  • AA: or shift the background to #3b3b3b (4.53:1)
  • AAA: or shift the background to #1a1a1a (7.04:1)
Aaon black
8.49:1passpasspassPasses 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 #5bb3ac 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 #5bb3ac
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #5bb3ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bb3ac-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