Color

#90cdd5

#90cdd5
hex#90cdd5
rgbrgb(144, 205, 213)
hslhsl(187, 45%, 70%)
oklchoklch(0.81 0.063 206.2)
Closest name: Continental Waters (#98c6cb)Relative luminance 0.544

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d59890

#90d5bb · #90aad5

#d590cd · #cdd590

Split-complementary

Open in tool →

#d590aa · #d5bb90

#bb90d5 · #d59890 · #aad590

Contrast

#90cdd5 as textRatioAAAA largeAAAFix
Aaon white
1.77:1failfailfail
  • AA: use #347f89 as the text (4.62:1)
  • AAA: use #276068 as the text (7.1:1)
  • AA: or shift the background to #4f4f4f (4.63:1)
  • AAA: or shift the background to #333333 (7.15:1)
Aaon black
11.88:1passpasspassPasses 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 #90cdd5 as the background.

Brands using this color

Fonts for this mood

#90cdd5 reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90cdd5
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 #90cdd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90cdd5-a2b8be-df4e83-1f262d-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