Color

#ef8b34

#ef8b34
hex#ef8b34
rgbrgb(239, 139, 52)
hslhsl(28, 85%, 57%)
oklchoklch(0.73 0.155 57)
Closest name: À l’Orange (#f2850d)Relative luminance 0.3706

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3498ef

#ef343a · #efe834

#34ef8b · #8b34ef

Split-complementary

Open in tool →

#34efe8 · #343aef

#3aef34 · #3498ef · #e834ef

Contrast

#ef8b34 as textRatioAAAA largeAAAFix
Aaon white
2.5:1failfailfail
  • AA: use #b85e0f as the text (4.52:1)
  • AAA: use #89460b as the text (7.13:1)
  • AA: or shift the background to #383838 (4.7:1)
  • AAA: or shift the background to #171717 (7.18:1)
Aaon black
8.41:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef8b34 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

#ef8b34 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef8b34
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 #ef8b34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef8b34-c4b39c-62cbc9-2d2c1f-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