Color

#d12a00

#d12a00
hex#d12a00
rgbrgb(209, 42, 0)
hslhsl(12, 100%, 41%)
oklchoklch(0.558 0.206 32.9)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1521

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00a7d1

#d1003f · #d19200

#00d12a · #2a00d1

Split-complementary

Open in tool →

#00d192 · #003fd1

#3fd100 · #00a7d1 · #9200d1

Contrast

#d12a00 as textRatioAAAA largeAAAFix
Aaon white
5.2:1passpassfail
  • AAA: use #a82200 as the text (7.26:1)
Aaon black
4.04:1failpassfail
  • AA: use #e02d00 as the text (4.54:1)
  • AAA: use #ff643d as the text (7.14:1)
  • AA: or shift the background to #f0f0f0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d12a00 as the background.

Brands using this color

Fonts for this mood

#d12a00 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d12a00
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #d12a00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d12a00-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