Color

#158b99

#158b99
hex#158b99
rgbrgb(21, 139, 153)
hslhsl(186, 76%, 34%)
oklchoklch(0.584 0.096 207.8)
Closest name: darkcyan (#008b8b)Relative luminance 0.2092

Tints & shades

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

Harmonies

Complementary

Open in tool →

#992215

#159964 · #154a99

#99158b · #8b9915

Split-complementary

Open in tool →

#99154a · #996415

#641599 · #992215 · #4a9915

Contrast

#158b99 as textRatioAAAA largeAAAFix
Aaon white
4.05:1failpassfail
  • AA: use #137f8b as the text (4.73:1)
  • AAA: use #0f626c as the text (7.04:1)
  • AA: or shift the background to #141414 (4.55:1)
Aaon black
5.18:1passpassfail
  • AAA: use #18a4b4 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #158b99 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

#158b99 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #158b99
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 #158b99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/158b99-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