Color

#4c9ea4

#4c9ea4
hex#4c9ea4
rgbrgb(76, 158, 164)
hslhsl(184, 37%, 47%)
oklchoklch(0.651 0.08 201.8)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.2867

Colors that go with #4c9ea4

Charcoal, Blush Pink and Copper 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.

Real palettes that use #4c9ea4

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a4514c

#4ca47e · #4c72a4

#a44c9e · #9ea44c

Split-complementary

Open in tool →

#a44c72 · #a47e4c

#7e4ca4 · #a4514c · #72a44c

Contrast

#4c9ea4 as textRatioAAAA largeAAAFix
Aaon white
3.12:1failpassfail
  • AA: use #3d8085 as the text (4.54:1)
  • AAA: use #2d5e62 as the text (7.27:1)
  • AA: or shift the background to #2b2b2b (4.54:1)
Aaon black
6.73:1passpassfail
  • AAA: use #4da2a8 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c9ea4 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

#4c9ea4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c9ea4
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 #4c9ea4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c9ea4-a2b9be-df4e8a-1f262d-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