Color

#b33e00

#b33e00
hex#b33e00
rgbrgb(179, 62, 0)
hslhsl(21, 100%, 35%)
oklchoklch(0.524 0.163 40.6)
Closest name: Rust (#b7410e)Relative luminance 0.1303

Colors that go with #b33e00

Crimson, Denim and Sea Green 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 #b33e00

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0074b3

#b3001b · #b39800

#00b33e · #3e00b3

Split-complementary

Open in tool →

#00b398 · #001bb3

#1bb300 · #0074b3 · #9800b3

Contrast

#b33e00 as textRatioAAAA largeAAAFix
Aaon white
5.82:1passpassfail
  • AAA: use #993600 as the text (7.29:1)
Aaon black
3.61:1failpassfail
  • AA: use #d14900 as the text (4.66:1)
  • AAA: use #ff630f as the text (7.04:1)
  • AA: or shift the background to #e3e3e3 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b33e00 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#b33e00 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b33e00
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 #b33e00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b33e00-c4af9c-62cbbd-2d2a1f-f1e9ea?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