Color

#4e99b7

#4e99b7
hex#4e99b7
rgbrgb(78, 153, 183)
hslhsl(197, 42%, 51%)
oklchoklch(0.647 0.087 226.6)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2782

Colors that go with #4e99b7

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.

Real palettes that use #4e99b7

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b76b4e

#4eb7a0 · #4e64b7

#b74e99 · #99b74e

Split-complementary

Open in tool →

#b74e64 · #b7a04e

#a04eb7 · #b76b4e · #64b74e

Contrast

#4e99b7 as textRatioAAAA largeAAAFix
Aaon white
3.2:1failpassfail
  • AA: use #3d7c94 as the text (4.66:1)
  • AAA: use #2e5d70 as the text (7.2:1)
  • AA: or shift the background to #292929 (4.55:1)
Aaon black
6.56:1passpassfail
  • AAA: use #589fbb as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e99b7 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

#4e99b7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e99b7
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 #4e99b7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e99b7-9cb4c4-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