Color

#90aaf4

#90aaf4
hex#90aaf4
rgbrgb(144, 170, 244)
hslhsl(224, 82%, 76%)
oklchoklch(0.747 0.111 268.8)
Closest name: Widowmaker (#99aaff)Relative luminance 0.4121

Colors that go with #90aaf4

Charcoal, Dark Orange and Goldenrod 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 →

#f4d990

#90ddf4 · #a790f4

#f490aa · #aaf490

Split-complementary

Open in tool →

#f4a790 · #ddf490

#f490dd · #f4d990 · #90f4a7

Contrast

#90aaf4 as textRatioAAAA largeAAAFix
Aaon white
2.27:1failfailfail
  • AA: use #416eec as the text (4.5:1)
  • AAA: use #1548d5 as the text (7.19:1)
  • AA: or shift the background to #404040 (4.56:1)
  • AAA: or shift the background to #212121 (7.09:1)
Aaon black
9.24:1passpasspassPasses 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 #90aaf4 as the background.

Brands using this color

Fonts for this mood

#90aaf4 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90aaf4
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 #90aaf4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90aaf4-9ca2c4-df724e-221f2d-e9eff1?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