Color

#d12e05

#d12e05
hex#d12e05
rgbrgb(209, 46, 5)
hslhsl(12, 95%, 42%)
oklchoklch(0.561 0.203 33.2)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1552

Colors that go with #d12e05

Charcoal, Royal Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#05a8d1

#d10542 · #d19405

#05d12e · #2e05d1

Split-complementary

Open in tool →

#05d194 · #0542d1

#42d105 · #05a8d1 · #9405d1

Contrast

#d12e05 as textRatioAAAA largeAAAFix
Aaon white
5.12:1passpassfail
  • AAA: use #a92504 as the text (7.11:1)
Aaon black
4.1:1failpassfail
  • AA: use #e03106 as the text (4.61:1)
  • AAA: use #fa6742 as the text (7.08:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d12e05 as the background.

Brands using this color

Fonts for this mood

#d12e05 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d12e05
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 #d12e05 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d12e05-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