Color

#eff26e

#eff26e
hex#eff26e
rgbrgb(239, 242, 110)
hslhsl(61, 84%, 69%)
oklchoklch(0.933 0.154 110.2)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8298

Colors that go with #eff26e

Charcoal, Lilac and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#706ef2

#f2b26e · #aef26e

#6ef0f2 · #f26ef0

Split-complementary

Open in tool →

#6eaef2 · #b26ef2

#6ef2b2 · #706ef2 · #f26eae

Contrast

#eff26e as textRatioAAAA largeAAAFix
Aaon white
1.19:1failfailfail
  • AA: use #787a0b as the text (4.58:1)
  • AAA: use #585908 as the text (7.38:1)
  • AA: or shift the background to #696969 (4.6:1)
  • AAA: or shift the background to #4d4d4d (7.08:1)
Aaon black
17.6:1passpasspassPasses 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 #eff26e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #eff26e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #eff26e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff26e-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