Color

#05423e

#05423e
hex#05423e
rgbrgb(5, 66, 62)
hslhsl(176, 86%, 14%)
oklchoklch(0.343 0.057 187.8)
Closest name: Botanical Night (#12403c)Relative luminance 0.0428

Colors that go with #05423e

Crimson, Sea Green and Teal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#420509

#054220 · #052842

#3e0542 · #423e05

Split-complementary

Open in tool →

#420528 · #422005

#200542 · #420509 · #284205

Contrast

#05423e as textRatioAAAA largeAAAFix
Aaon white
11.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.86:1failfailfail
  • AA: use #0a857d as the text (4.66:1)
  • AAA: use #0daba0 as the text (7.35:1)
  • AA: or shift the background to #a6a6a6 (4.65:1)
  • AAA: or shift the background to #cccccc (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 #05423e as the background.

Brands using this color

Fonts for this mood

#05423e reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05423e
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 #05423e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05423e-a2bdbe-d4599d-1f282d-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