Color

#a45a37

#a45a37
hex#a45a37
rgbrgb(164, 90, 55)
hslhsl(19, 50%, 43%)
oklchoklch(0.547 0.109 45)
Closest name: Autumnal (#ad5928)Relative luminance 0.1548

Colors that go with #a45a37

Teal, Amber and Champagne 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 →

#3782a4

#a4374b · #a49037

#37a45a · #5a37a4

Split-complementary

Open in tool →

#37a490 · #374ba4

#4ba437 · #3782a4 · #9037a4

Contrast

#a45a37 as textRatioAAAA largeAAAFix
Aaon white
5.13:1passpassfail
  • AAA: use #82472b as the text (7.28:1)
Aaon black
4.1:1failpassfail
  • AA: use #b0603b as the text (4.58:1)
  • AAA: use #cc8666 as the text (7.17:1)
  • AA: or shift the background to #f2f2f2 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a45a37 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

#a45a37 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a45a37
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 #a45a37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a45a37-c4ad9c-62cbb9-2d2a1f-f1e9eb?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