Color

#90a0b6

#90a0b6
hex#90a0b6
rgbrgb(144, 160, 182)
hslhsl(215, 21%, 64%)
oklchoklch(0.701 0.037 256.4)
Closest name: Blank Stare (#8b9cac)Relative luminance 0.3445

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b6a690

#90b3b6 · #9390b6

#b690a0 · #a0b690

Split-complementary

Open in tool →

#b69390 · #b3b690

#b690b3 · #b6a690 · #90b693

Contrast

#90a0b6 as textRatioAAAA largeAAAFix
Aaon white
2.66:1failfailfail
  • AA: use #617694 as the text (4.64:1)
  • AAA: use #49596f as the text (7.14:1)
  • AA: or shift the background to #363636 (4.54:1)
  • AAA: or shift the background to #121212 (7.04:1)
Aaon black
7.89:1passpasspassPasses 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 #90a0b6 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #90a0b6
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #90a0b6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90a0b6-9ca8c4-df5d4e-201f2d-e9f0f1?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