Color

#045a01

#045a01
hex#045a01
rgbrgb(4, 90, 1)
hslhsl(118, 98%, 18%)
oklchoklch(0.406 0.136 142.3)
Closest name: Duck Hunt (#005800)Relative luminance 0.0734

Colors that go with #045a01

Taupe, Dark Orchid and Charcoal 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 →

#58015b

#315b01 · #015b2b

#01045b · #5b0104

Split-complementary

Open in tool →

#2b015b · #5b0131

#01315b · #58015b · #5b2b01

Contrast

#045a01 as textRatioAAAA largeAAAFix
Aaon white
8.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #068801 as the text (4.53:1)
  • AAA: use #08b102 as the text (7.3:1)
  • AA: or shift the background to #bdbdbd (4.53:1)
  • AAA: or shift the background to #ebebeb (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #045a01 as the background.

Brands using this color

Fonts for this mood

#045a01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #045a01
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 #045a01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/045a01-a2bea4-944edf-1f2d25-edf1e9?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