Color

#4bbbd8

#4bbbd8
hex#4bbbd8
rgbrgb(75, 187, 216)
hslhsl(192, 64%, 57%)
oklchoklch(0.74 0.108 218.1)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.4199

Colors that go with #4bbbd8

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 →

#d8674b

#4bd8ad · #4b75d8

#d84bbb · #bbd84b

Split-complementary

Open in tool →

#d84b75 · #d8ad4b

#ad4bd8 · #d8674b · #75d84b

Contrast

#4bbbd8 as textRatioAAAA largeAAAFix
Aaon white
2.23:1failfailfail
  • AA: use #217f97 as the text (4.62:1)
  • AAA: use #195f71 as the text (7.2:1)
  • AA: or shift the background to #404040 (4.64:1)
  • AAA: or shift the background to #212121 (7.21:1)
Aaon black
9.4:1passpasspassPasses 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 #4bbbd8 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

#4bbbd8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4bbbd8
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 #4bbbd8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bbbd8-a2b5be-df4e77-1f242d-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