Color

#39cddb

#39cddb
hex#39cddb
rgbrgb(57, 205, 219)
hslhsl(185, 69%, 54%)
oklchoklch(0.779 0.121 204.5)
Closest name: darkturquoise (#00ced1)Relative luminance 0.4965

Tints & shades

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

Harmonies

Complementary

Open in tool →

#db4639

#39db97 · #397cdb

#db39cd · #cddb39

Split-complementary

Open in tool →

#db397c · #db9739

#9739db · #db4639 · #7cdb39

Contrast

#39cddb as textRatioAAAA largeAAAFix
Aaon white
1.92:1failfailfail
  • AA: use #19818a as the text (4.62:1)
  • AAA: use #136067 as the text (7.25:1)
  • AA: or shift the background to #4a4a4a (4.61:1)
  • AAA: or shift the background to #2e2e2e (7.07:1)
Aaon black
10.93:1passpasspassPasses 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 #39cddb 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

#39cddb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39cddb
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 #39cddb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39cddb-a2b8be-df4e88-1f262d-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