Color

#efde2a

#efde2a
hex#efde2a
rgbrgb(239, 222, 42)
hslhsl(55, 86%, 55%)
oklchoklch(0.887 0.178 103.5)
Closest name: Angel’s Trumpet (#f6dd34)Relative luminance 0.7076

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a3aef

#ef7c2a · #9def2a

#2aefde · #de2aef

Split-complementary

Open in tool →

#2a9def · #7c2aef

#2aef7c · #2a3aef · #ef2a9d

Contrast

#efde2a as textRatioAAAA largeAAAFix
Aaon white
1.39:1failfailfail
  • AA: use #80760a as the text (4.65:1)
  • AAA: use #5f5807 as the text (7.28:1)
  • AA: or shift the background to #5e5e5e (4.68:1)
  • AAA: or shift the background to #424242 (7.25:1)
Aaon black
15.15:1passpasspassPasses 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 #efde2a 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

#efde2a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #efde2a
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 #efde2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efde2a-bdbea2-4ea0df-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