Color

#5bb2be

#5bb2be
hex#5bb2be
rgbrgb(91, 178, 190)
hslhsl(187, 43%, 55%)
oklchoklch(0.714 0.085 207.2)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3778

Tints & shades

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

Harmonies

Complementary

Open in tool →

#be665b

#5bbe98 · #5b81be

#be5bb2 · #b2be5b

Split-complementary

Open in tool →

#be5b81 · #be985b

#985bbe · #be665b · #81be5b

Contrast

#5bb2be as textRatioAAAA largeAAAFix
Aaon white
2.45:1failfailfail
  • AA: use #367d87 as the text (4.73:1)
  • AAA: use #295f66 as the text (7.18:1)
  • AA: or shift the background to #3b3b3b (4.56:1)
  • AAA: or shift the background to #1a1a1a (7.09:1)
Aaon black
8.56:1passpasspassPasses 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 #5bb2be as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#5bb2be reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5bb2be
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 #5bb2be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bb2be-a2b8be-df4e83-1f262d-e9f1ee?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