Color

#eff17e

#eff17e
hex#eff17e
rgbrgb(239, 241, 126)
hslhsl(61, 80%, 72%)
oklchoklch(0.933 0.138 109.7)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8277

Tints & shades

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

Harmonies

Complementary

Open in tool →

#807ef1

#f1ba7e · #b6f17e

#7eeff1 · #f17eef

Split-complementary

Open in tool →

#7eb6f1 · #ba7ef1

#7ef1ba · #807ef1 · #f17eb6

Contrast

#eff17e as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #76770d as the text (4.76:1)
  • AAA: use #5a5c0a as the text (7.07:1)
  • AA: or shift the background to #696969 (4.59:1)
  • AAA: or shift the background to #4d4d4d (7.07:1)
Aaon black
17.55:1passpasspassPasses 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 #eff17e 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

#eff17e reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #eff17e
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 #eff17e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff17e-babea2-4e92df-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