Color

#005b51

#005b51
hex#005b51
rgbrgb(0, 91, 81)
hslhsl(173, 100%, 18%)
oklchoklch(0.423 0.076 182.1)
Closest name: Evergreen (#125b49)Relative luminance 0.0808

Colors that go with #005b51

Blue, Cadet Blue and Denim 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 #005b51

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c000b

#005c23 · #00395c

#51005c · #5c5100

Split-complementary

Open in tool →

#5c0039 · #5c2300

#23005c · #5c000b · #395c00

Contrast

#005b51 as textRatioAAAA largeAAAFix
Aaon white
8.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.62:1failfailfail
  • AA: use #008575 as the text (4.61:1)
  • AAA: use #00a895 as the text (7.04:1)
  • AA: or shift the background to #c2c2c2 (4.51:1)
  • AAA: or shift the background to #f0f0f0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #005b51 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

#005b51 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #005b51
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 #005b51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/005b51-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