Color

#e4542f

#e4542f
hex#e4542f
rgbrgb(228, 84, 47)
hslhsl(12, 77%, 54%)
oklchoklch(0.634 0.186 35.3)
Closest name: Baptism by Fire (#e6490b)Relative luminance 0.2304

Colors that go with #e4542f

Cadet Blue, Charcoal and Amber 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 →

#2fc0e4

#e42f66 · #e4ae2f

#2fe454 · #542fe4

Split-complementary

Open in tool →

#2fe4ae · #2f66e4

#66e42f · #2fc0e4 · #ae2fe4

Contrast

#e4542f as textRatioAAAA largeAAAFix
Aaon white
3.74:1failpassfail
  • AA: use #d4401c as the text (4.62:1)
  • AAA: use #a23115 as the text (7.03:1)
  • AA: or shift the background to #1c1c1c (4.55:1)
Aaon black
5.61:1passpassfail
  • AAA: use #e97558 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e4542f as the background.

Brands using this color

Fonts for this mood

#e4542f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e4542f
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 #e4542f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e4542f-c4a99c-62cbad-2d281f-f1e9ec?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