Color

#90d8ee

#90d8ee
hex#90d8ee
rgbrgb(144, 216, 238)
hslhsl(194, 73%, 75%)
oklchoklch(0.842 0.078 219.1)
Closest name: skyblue (#87ceeb)Relative luminance 0.6121

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eea691

#91eed5 · #91aaee

#ee91d8 · #d8ee91

Split-complementary

Open in tool →

#ee91aa · #eed591

#d591ee · #eea691 · #aaee91

Contrast

#90d8ee as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #19809f as the text (4.54:1)
  • AAA: use #136077 as the text (7.08:1)
  • AA: or shift the background to #575757 (4.56:1)
  • AAA: or shift the background to #3b3b3b (7.06:1)
Aaon black
13.24:1passpasspassPasses 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 #90d8ee 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

#90d8ee reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90d8ee
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 #90d8ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90d8ee-9cb6c4-df4e72-1f242d-e9f1ef?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