Color

#ef682a

#ef682a
hex#ef682a
rgbrgb(239, 104, 42)
hslhsl(19, 86%, 55%)
oklchoklch(0.676 0.182 42.2)
Closest name: Basketball (#ee6730)Relative luminance 0.2842

Colors that go with #ef682a

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 →

#2ab0ef

#ef2a4e · #efcb2a

#2aef68 · #682aef

Split-complementary

Open in tool →

#2aefcb · #2a4eef

#4eef2a · #2ab0ef · #cb2aef

Contrast

#ef682a as textRatioAAAA largeAAAFix
Aaon white
3.14:1failpassfail
  • AA: use #cc4b0f as the text (4.58:1)
  • AAA: use #98380b as the text (7.23:1)
  • AA: or shift the background to #2b2b2b (4.51:1)
Aaon black
6.68:1passpassfail
  • AAA: use #f06f33 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef682a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ef682a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef682a
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 #ef682a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef682a-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