Color

#018989

#018989
hex#018989
rgbrgb(1, 137, 137)
hslhsl(180, 99%, 27%)
oklchoklch(0.571 0.097 194.8)
Closest name: darkcyan (#008b8b)Relative luminance 0.197

Tints & shades

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

Harmonies

Complementary

Open in tool →

#890101

#018945 · #014589

#890189 · #898901

Split-complementary

Open in tool →

#890145 · #894501

#450189 · #890101 · #458901

Contrast

#018989 as textRatioAAAA largeAAAFix
Aaon white
4.25:1failpassfail
  • AA: use #018484 as the text (4.53:1)
  • AAA: use #006060 as the text (7.39:1)
  • AA: or shift the background to #0f0f0f (4.51:1)
Aaon black
4.94:1passpassfail
  • AAA: use #01a7a7 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #018989 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

#018989 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #018989
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 #018989 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/018989-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