Color

#efe425

#efe425
hex#efe425
rgbrgb(239, 228, 37)
hslhsl(57, 86%, 54%)
oklchoklch(0.899 0.185 105.9)
Closest name: Banana Bombshell (#f7e82e)Relative luminance 0.7397

Tints & shades

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

Harmonies

Complementary

Open in tool →

#252fef

#ef8025 · #94ef25

#25efe4 · #e425ef

Split-complementary

Open in tool →

#2594ef · #8025ef

#25ef80 · #252fef · #ef2594

Contrast

#efe425 as textRatioAAAA largeAAAFix
Aaon white
1.33:1failfailfail
  • AA: use #7b7609 as the text (4.73:1)
  • AAA: use #5f5a07 as the text (7.11:1)
  • AA: or shift the background to #636363 (4.52:1)
  • AAA: or shift the background to #454545 (7.21:1)
Aaon black
15.79:1passpasspassPasses 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 #efe425 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

#efe425 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #efe425
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 #efe425 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efe425-bcbea2-4e9bdf-282d1f-f1ede9?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