Color

#1a9990

#1a9990
hex#1a9990
rgbrgb(26, 153, 144)
hslhsl(176, 71%, 35%)
oklchoklch(0.618 0.103 187.3)
Closest name: Green Dynasty (#00988e)Relative luminance 0.2502

Tints & shades

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

Harmonies

Complementary

Open in tool →

#991a22

#1a9951 · #1a6299

#901a99 · #99901a

Split-complementary

Open in tool →

#991a62 · #99511a

#511a99 · #991a22 · #62991a

Contrast

#1a9990 as textRatioAAAA largeAAAFix
Aaon white
3.5:1failpassfail
  • AA: use #16837c as the text (4.59:1)
  • AAA: use #10605b as the text (7.38:1)
  • AA: or shift the background to #212121 (4.6:1)
Aaon black
6:1passpassfail
  • AAA: use #1daaa1 as the text (7.32:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a9990 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #1a9990
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 #1a9990 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a9990-a2bdbe-d4599d-1f282d-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