Color

#90acbb

#90acbb
hex#90acbb
rgbrgb(144, 172, 187)
hslhsl(201, 24%, 65%)
oklchoklch(0.728 0.038 231.4)
Closest name: Crystal Lake (#88b5c4)Relative luminance 0.3902

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb9f90

#90bbb5 · #9097bb

#bb90ac · #acbb90

Split-complementary

Open in tool →

#bb9097 · #bbb590

#b590bb · #bb9f90 · #97bb90

Contrast

#90acbb as textRatioAAAA largeAAAFix
Aaon white
2.39:1failfailfail
  • AA: use #577b8e as the text (4.54:1)
  • AAA: use #405a68 as the text (7.29:1)
  • AA: or shift the background to #3d3d3d (4.55:1)
  • AAA: or shift the background to #1c1c1c (7.15:1)
Aaon black
8.8:1passpasspassPasses 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 #90acbb as the background.

Brands using this color

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

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

tool url/palettes/new/90acbb-9cb1c4-df4e62-1f222d-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