Color

#4dace0

#4dace0
hex#4dace0
rgbrgb(77, 172, 224)
hslhsl(201, 70%, 59%)
oklchoklch(0.709 0.117 235.8)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3646

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e0804d

#4de0ca · #4d63e0

#e04dac · #ace04d

Split-complementary

Open in tool →

#e04d63 · #e0ca4d

#ca4de0 · #e0804d · #63e04d

Contrast

#4dace0 as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #1f7bad as the text (4.67:1)
  • AAA: use #175d82 as the text (7.18:1)
  • AA: or shift the background to #383838 (4.63:1)
  • AAA: or shift the background to #171717 (7.08:1)
Aaon black
8.29:1passpasspassPasses 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 #4dace0 as the background.

Brands using this color

Fonts for this mood

#4dace0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4dace0
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 #4dace0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4dace0-9cb1c4-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