Color

#129aa1

#129aa1
hex#129aa1
rgbrgb(18, 154, 161)
hslhsl(183, 80%, 35%)
oklchoklch(0.625 0.103 200.7)
Closest name: Baltic (#279d9f)Relative luminance 0.2581

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a11912

#12a160 · #1252a1

#a1129a · #9aa112

Split-complementary

Open in tool →

#a11252 · #a16012

#6012a1 · #a11912 · #52a112

Contrast

#129aa1 as textRatioAAAA largeAAAFix
Aaon white
3.41:1failpassfail
  • AA: use #0f7f85 as the text (4.78:1)
  • AAA: use #0b6065 as the text (7.3:1)
  • AA: or shift the background to #242424 (4.56:1)
Aaon black
6.16:1passpassfail
  • AAA: use #13a7ae as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #129aa1 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

#129aa1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #129aa1
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 #129aa1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/129aa1-a2b9be-d4598e-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