Color

#efec2a

#efec2a
hex#efec2a
rgbrgb(239, 236, 42)
hslhsl(59, 86%, 55%)
oklchoklch(0.916 0.19 108.7)
Closest name: Banana Bombshell (#f7e82e)Relative luminance 0.7851

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a2def

#ef892a · #90ef2a

#2aefec · #ec2aef

Split-complementary

Open in tool →

#2a90ef · #892aef

#2aef89 · #2a2def · #ef2a90

Contrast

#efec2a as textRatioAAAA largeAAAFix
Aaon white
1.26:1failfailfail
  • AA: use #7b7909 as the text (4.58:1)
  • AAA: use #5a5907 as the text (7.33:1)
  • AA: or shift the background to #666666 (4.57:1)
  • AAA: or shift the background to #4a4a4a (7.05:1)
Aaon black
16.7:1passpasspassPasses 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 #efec2a as the background.

Brands using this color

Fonts for this mood

#efec2a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #efec2a
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 #efec2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/efec2a-bbbea2-4e96df-272d1f-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