Color

#00858a

#00858a
hex#00858a
rgbrgb(0, 133, 138)
hslhsl(182, 100%, 27%)
oklchoklch(0.56 0.095 199.4)
Closest name: darkcyan (#008b8b)Relative luminance 0.1861

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a0500

#008a49 · #00408a

#8a0085 · #858a00

Split-complementary

Open in tool →

#8a0040 · #8a4900

#49008a · #8a0500 · #408a00

Contrast

#00858a as textRatioAAAA largeAAAFix
Aaon white
4.45:1failpassfail
  • AA: use #008085 as the text (4.74:1)
  • AAA: use #006366 as the text (7.06:1)
  • AA: or shift the background to #080808 (4.5:1)
Aaon black
4.72:1passpassfail
  • AAA: use #00a8ad as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00858a as the background.

Brands using this color

Fonts for this mood

#00858a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00858a
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 #00858a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00858a-a2babe-d45990-1f272d-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