Color

#4dbdd1

#4dbdd1
hex#4dbdd1
rgbrgb(77, 189, 209)
hslhsl(189, 59%, 56%)
oklchoklch(0.742 0.104 211.3)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4258

Colors that go with #4dbdd1

Charcoal, Dark Salmon and Dark Orange 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 →

#d1604d

#4dd1a3 · #4d7bd1

#d14dbd · #bdd14d

Split-complementary

Open in tool →

#d14d7b · #d1a34d

#a34dd1 · #d1604d · #7bd14d

Contrast

#4dbdd1 as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #257e8e as the text (4.72:1)
  • AAA: use #1c616d as the text (7.05:1)
  • AA: or shift the background to #424242 (4.55:1)
  • AAA: or shift the background to #242424 (7.03:1)
Aaon black
9.52:1passpasspassPasses 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 #4dbdd1 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

#4dbdd1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4dbdd1
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 #4dbdd1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4dbdd1-a2b7be-df4e7e-1f252d-e9f1ee?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