Color

#90c2cb

#90c2cb
hex#90c2cb
rgbrgb(144, 194, 203)
hslhsl(189, 36%, 68%)
oklchoklch(0.782 0.054 209.8)
Closest name: Aquatic (#99c1cc)Relative luminance 0.4882

Colors that go with #90c2cb

Charcoal, Dark Salmon 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb9990

#90cbb6 · #90a5cb

#cb90c2 · #c2cb90

Split-complementary

Open in tool →

#cb90a5 · #cbb690

#b690cb · #cb9990 · #a5cb90

Contrast

#90c2cb as textRatioAAAA largeAAAFix
Aaon white
1.95:1failfailfail
  • AA: use #407d87 as the text (4.67:1)
  • AAA: use #2f5d65 as the text (7.31:1)
  • AA: or shift the background to #4a4a4a (4.54:1)
  • AAA: or shift the background to #2b2b2b (7.26:1)
Aaon black
10.76:1passpasspassPasses 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 #90c2cb as the background.

Brands using this color

Fonts for this mood

#90c2cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90c2cb
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 #90c2cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90c2cb-a2b7be-df4e7e-1f252d-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