Color

#59bbd9

#59bbd9
hex#59bbd9
rgbrgb(89, 187, 217)
hslhsl(194, 63%, 60%)
oklchoklch(0.745 0.101 220.8)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.4267

Colors that go with #59bbd9

Charcoal, Dark Salmon and Denim 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 →

#d97759

#59d9b7 · #597bd9

#d959bb · #bbd959

Split-complementary

Open in tool →

#d9597b · #d9b759

#b759d9 · #d97759 · #7bd959

Contrast

#59bbd9 as textRatioAAAA largeAAAFix
Aaon white
2.2:1failfailfail
  • AA: use #237e9a as the text (4.64:1)
  • AAA: use #1a5f74 as the text (7.16:1)
  • AA: or shift the background to #424242 (4.56:1)
  • AAA: or shift the background to #242424 (7.05:1)
Aaon black
9.53:1passpasspassPasses 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 #59bbd9 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

#59bbd9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #59bbd9
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 #59bbd9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59bbd9-9cb6c4-df4e72-1f242d-e9f1ef?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