Color

#4bb8e7

#4bb8e7
hex#4bb8e7
rgbrgb(75, 184, 231)
hslhsl(198, 76%, 60%)
oklchoklch(0.739 0.119 230)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4155

Colors that go with #4bb8e7

Charcoal, Amber 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 →

#e77a4b

#4be7c8 · #4b6ae7

#e74bb8 · #b8e74b

Split-complementary

Open in tool →

#e74b6a · #e7c84b

#c84be7 · #e77a4b · #6ae74b

Contrast

#4bb8e7 as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #177eab as the text (4.56:1)
  • AAA: use #115d7e as the text (7.26:1)
  • AA: or shift the background to #404040 (4.6:1)
  • AAA: or shift the background to #212121 (7.14:1)
Aaon black
9.31:1passpasspassPasses 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 #4bb8e7 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

#4bb8e7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4bb8e7
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 #4bb8e7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bb8e7-9cb3c4-df4e69-1f232d-e9f1f0?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