Color

#90b8cb

#90b8cb
hex#90b8cb
rgbrgb(144, 184, 203)
hslhsl(199, 36%, 68%)
oklchoklch(0.76 0.051 228.6)
Closest name: Crystal Lake (#88b5c4)Relative luminance 0.4452

Colors that go with #90b8cb

Charcoal, Dark Salmon 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cba390

#90cbc0 · #909bcb

#cb90b8 · #b8cb90

Split-complementary

Open in tool →

#cb909b · #cbc090

#c090cb · #cba390 · #9bcb90

Contrast

#90b8cb as textRatioAAAA largeAAAFix
Aaon white
2.12:1failfailfail
  • AA: use #467c95 as the text (4.59:1)
  • AAA: use #345c6f as the text (7.23:1)
  • AA: or shift the background to #454545 (4.52:1)
  • AAA: or shift the background to #262626 (7.14:1)
Aaon black
9.9:1passpasspassPasses 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 #90b8cb 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

#90b8cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90b8cb
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 #90b8cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90b8cb-9cb3c4-df4e66-1f232d-e9f1f0?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