Color

#90cbd0

#90cbd0
hex#90cbd0
rgbrgb(144, 203, 208)
hslhsl(185, 41%, 69%)
oklchoklch(0.804 0.061 202.6)
Closest name: Continental Waters (#98c6cb)Relative luminance 0.532

Colors that go with #90cbd0

Charcoal, Dark Salmon and Crimson 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 #90cbd0

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d09590

#90d0b5 · #90abd0

#d090cb · #cbd090

Split-complementary

Open in tool →

#d090ab · #d0b590

#b590d0 · #d09590 · #abd090

Contrast

#90cbd0 as textRatioAAAA largeAAAFix
Aaon white
1.8:1failfailfail
  • AA: use #387f85 as the text (4.62:1)
  • AAA: use #2a6065 as the text (7.1:1)
  • AA: or shift the background to #4f4f4f (4.54:1)
  • AAA: or shift the background to #333333 (7:1)
Aaon black
11.64:1passpasspassPasses 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 #90cbd0 as the background.

Brands using this color

Fonts for this mood

#90cbd0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90cbd0
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 #90cbd0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90cbd0-a2b8be-df4e88-1f262d-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