Color

#4fb2d8

#4fb2d8
hex#4fb2d8
rgbrgb(79, 178, 216)
hslhsl(197, 64%, 58%)
oklchoklch(0.72 0.107 226.5)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.3846

Colors that go with #4fb2d8

Charcoal, Amber 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 →

#d8764f

#4fd8bb · #4f6dd8

#d84fb2 · #b2d84f

Split-complementary

Open in tool →

#d84f6d · #d8bb4f

#bb4fd8 · #d8764f · #6dd84f

Contrast

#4fb2d8 as textRatioAAAA largeAAAFix
Aaon white
2.42:1failfailfail
  • AA: use #247fa3 as the text (4.53:1)
  • AAA: use #1b5e79 as the text (7.18:1)
  • AA: or shift the background to #3b3b3b (4.64:1)
  • AAA: or shift the background to #1c1c1c (7.05:1)
Aaon black
8.69:1passpasspassPasses 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 #4fb2d8 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

#4fb2d8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4fb2d8
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 #4fb2d8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fb2d8-9cb4c4-df4e6b-1f232d-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