Color

#58b9bb

#58b9bb
hex#58b9bb
rgbrgb(88, 185, 187)
hslhsl(181, 42%, 54%)
oklchoklch(0.729 0.091 197.2)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4036

Colors that go with #58b9bb

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 →

#bb5a58

#58bb8b · #5888bb

#bb58b9 · #b9bb58

Split-complementary

Open in tool →

#bb5888 · #bb8b58

#8b58bb · #bb5a58 · #88bb58

Contrast

#58b9bb as textRatioAAAA largeAAAFix
Aaon white
2.31:1failfailfail
  • AA: use #358182 as the text (4.55:1)
  • AAA: use #286162 as the text (7.06:1)
  • AA: or shift the background to #3d3d3d (4.69:1)
  • AAA: or shift the background to #1f1f1f (7.12:1)
Aaon black
9.07:1passpasspassPasses 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 #58b9bb as the background.

Brands using this color

Fonts for this mood

#58b9bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #58b9bb
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 #58b9bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/58b9bb-a2babe-d45992-1f272d-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