Color

#90e4fd

#90e4fd
hex#90e4fd
rgbrgb(144, 228, 253)
hslhsl(194, 96%, 78%)
oklchoklch(0.874 0.088 218.8)
Closest name: Blizzard Blue (#a3e3ed)Relative luminance 0.6851

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdaa91

#91fde0 · #91aefd

#fd91e4 · #e4fd91

Split-complementary

Open in tool →

#fd91ae · #fde091

#e091fd · #fdaa91 · #aefd91

Contrast

#90e4fd as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #037fa5 as the text (4.58:1)
  • AAA: use #03607d as the text (7.06:1)
  • AA: or shift the background to #5e5e5e (4.54:1)
  • AAA: or shift the background to #424242 (7.04:1)
Aaon black
14.7:1passpasspassPasses 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 #90e4fd 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

#90e4fd reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90e4fd
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 #90e4fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90e4fd-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