Color

#15420b

#15420b
hex#15420b
rgbrgb(21, 66, 11)
hslhsl(109, 71%, 15%)
oklchoklch(0.335 0.096 140.5)
Closest name: British Racing Green (#05480d)Relative luminance 0.0408

Colors that go with #15420b

Crimson, Royal Blue and 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#370b41

#30410b · #0b411c

#0b1541 · #410b15

Split-complementary

Open in tool →

#1c0b41 · #410b30

#0b3041 · #370b41 · #411c0b

Contrast

#15420b as textRatioAAAA largeAAAFix
Aaon white
11.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #2c8717 as the text (4.59:1)
  • AAA: use #38ae1e as the text (7.24:1)
  • AA: or shift the background to #a3a3a3 (4.58:1)
  • AAA: or shift the background to #cccccc (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #15420b 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

#15420b reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15420b
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 #15420b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15420b-a4bea2-7e4edf-1f2d23-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