Color

#59add4

#59add4
hex#59add4
rgbrgb(89, 173, 212)
hslhsl(199, 59%, 59%)
oklchoklch(0.71 0.099 230.5)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3676

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d48059

#59d4be · #596fd4

#d459ad · #add459

Split-complementary

Open in tool →

#d4596f · #d4be59

#be59d4 · #d48059 · #6fd459

Contrast

#59add4 as textRatioAAAA largeAAAFix
Aaon white
2.51:1failfailfail
  • AA: use #2a7ca2 as the text (4.66:1)
  • AAA: use #1f5d7a as the text (7.23:1)
  • AA: or shift the background to #383838 (4.66:1)
  • AAA: or shift the background to #171717 (7.13:1)
Aaon black
8.35:1passpasspassPasses 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 #59add4 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

#59add4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #59add4
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 #59add4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59add4-9cb3c4-df4e66-1f232d-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