Color

#339999

#339999
hex#339999
rgbrgb(51, 153, 153)
hslhsl(180, 50%, 40%)
oklchoklch(0.626 0.092 195.1)
Closest name: Baltic (#279d9f)Relative luminance 0.2579

Tints & shades

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

Harmonies

Complementary

Open in tool →

#993333

#339966 · #336699

#993399 · #999933

Split-complementary

Open in tool →

#993366 · #996633

#663399 · #993333 · #669933

Contrast

#339999 as textRatioAAAA largeAAAFix
Aaon white
3.41:1failpassfail
  • AA: use #2b8282 as the text (4.55:1)
  • AAA: use #206060 as the text (7.23:1)
  • AA: or shift the background to #242424 (4.55:1)
Aaon black
6.16:1passpassfail
  • AAA: use #37a4a4 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #339999 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

#339999 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #339999
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 #339999 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/339999-a2bbbe-d45994-1f272d-e9f1ed?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