Color

#ef970b

#ef970b
hex#ef970b
rgbrgb(239, 151, 11)
hslhsl(37, 91%, 49%)
oklchoklch(0.749 0.162 68.4)
Closest name: darkorange (#ff8c00)Relative luminance 0.4051

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b62ef

#ef260b · #d4ef0b

#0bef97 · #970bef

Split-complementary

Open in tool →

#0bd4ef · #260bef

#0bef26 · #0b62ef · #ef0bd4

Contrast

#ef970b as textRatioAAAA largeAAAFix
Aaon white
2.31:1failfailfail
  • AA: use #a66908 as the text (4.52:1)
  • AAA: use #7a4d06 as the text (7.26:1)
  • AA: or shift the background to #3d3d3d (4.71:1)
  • AAA: or shift the background to #1f1f1f (7.14:1)
Aaon black
9.1:1passpasspassPasses 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 #ef970b 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

#ef970b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef970b
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 #ef970b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef970b-c4b99c-62bdcb-2c2d1f-f1eae9?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