Color

#00665a

#00665a
hex#00665a
rgbrgb(0, 102, 90)
hslhsl(173, 100%, 20%)
oklchoklch(0.458 0.082 181.1)
Closest name: Mosque (#005f5b)Relative luminance 0.1024

Colors that go with #00665a

Charcoal, Blue and Cadet Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #00665a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#66000c

#006627 · #003f66

#5a0066 · #665a00

Split-complementary

Open in tool →

#66003f · #662700

#270066 · #66000c · #3f6600

Contrast

#00665a as textRatioAAAA largeAAAFix
Aaon white
6.89:1passpassfail
  • AAA: use #006156 as the text (7.38:1)
Aaon black
3.05:1failpassfail
  • AA: use #008575 as the text (4.61:1)
  • AAA: use #00a895 as the text (7.04:1)
  • AA: or shift the background to #d1d1d1 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00665a 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

#00665a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00665a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #00665a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00665a-a2bebe-d459a3-1f292d-e9f1ec?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