Color

#59b199

#59b199
hex#59b199
rgbrgb(89, 177, 153)
hslhsl(164, 36%, 52%)
oklchoklch(0.699 0.093 173.5)
Closest name: Hole in One (#4aae97)Relative luminance 0.3587

Colors that go with #59b199

Charcoal, Cornflower Blue and Blue 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 →

#b15970

#59b16d · #599cb1

#9959b1 · #b19959

Split-complementary

Open in tool →

#b1599c · #b16d59

#6d59b1 · #b15970 · #9cb159

Contrast

#59b199 as textRatioAAAA largeAAAFix
Aaon white
2.57:1failfailfail
  • AA: use #3c806e as the text (4.66:1)
  • AAA: use #2e6153 as the text (7.12:1)
  • AA: or shift the background to #383838 (4.56:1)
  • AAA: or shift the background to #141414 (7.17:1)
Aaon black
8.17:1passpasspassPasses 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 #59b199 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 #59b199
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 #59b199 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59b199-a2beba-d459b5-1f2b2d-e9f1eb?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