Color

#13aaaa

#13aaaa
hex#13aaaa
rgbrgb(19, 170, 170)
hslhsl(180, 80%, 37%)
oklchoklch(0.669 0.112 194.8)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3179

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa1313

#13aa5e · #135eaa

#aa13aa · #aaaa13

Split-complementary

Open in tool →

#aa135e · #aa5e13

#5e13aa · #aa1313 · #5eaa13

Contrast

#13aaaa as textRatioAAAA largeAAAFix
Aaon white
2.85:1failfailfail
  • AA: use #0e8181 as the text (4.69:1)
  • AAA: use #0b6060 as the text (7.35:1)
  • AA: or shift the background to #303030 (4.62:1)
  • AAA: or shift the background to #080808 (7.02:1)
Aaon black
7.36:1passpasspassPasses 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 #13aaaa 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

#13aaaa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #13aaaa
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 #13aaaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13aaaa-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