Color

#1d9caa

#1d9caa
hex#1d9caa
rgbrgb(29, 156, 170)
hslhsl(186, 71%, 39%)
oklchoklch(0.635 0.103 206.7)
Closest name: Baltic (#279d9f)Relative luminance 0.2694

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa2b1d

#1daa72 · #1d55aa

#aa1d9c · #9caa1d

Split-complementary

Open in tool →

#aa1d55 · #aa721d

#721daa · #aa2b1d · #55aa1d

Contrast

#1d9caa as textRatioAAAA largeAAAFix
Aaon white
3.29:1failpassfail
  • AA: use #18808c as the text (4.66:1)
  • AAA: use #126069 as the text (7.23:1)
  • AA: or shift the background to #262626 (4.6:1)
Aaon black
6.39:1passpassfail
  • AAA: use #1ea4b3 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d9caa 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

#1d9caa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d9caa
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 #1d9caa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d9caa-a2b8be-df4e86-1f262d-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