Color

#042d01

#042d01
hex#042d01
rgbrgb(4, 45, 1)
hslhsl(116, 96%, 9%)
oklchoklch(0.259 0.084 141.5)
Closest name: PCB Green (#002d04)Relative luminance 0.019

Colors that go with #042d01

Blue Violet, Charcoal and Crimson 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 #042d01

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a012d

#1a2d01 · #012d14

#01042d · #2d0104

Split-complementary

Open in tool →

#14012d · #2d011a

#011a2d · #2a012d · #2d1401

Contrast

#042d01 as textRatioAAAA largeAAAFix
Aaon white
15.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #0c8c03 as the text (4.77:1)
  • AAA: use #0faf04 as the text (7.15:1)
  • AA: or shift the background to #8c8c8c (4.52:1)
  • AAA: or shift the background to #b0b0b0 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #042d01 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

#042d01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #042d01
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 #042d01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/042d01-a2bea3-8f4edf-1f2d24-eef1e9?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