Color

#78ee11

#78ee11
hex#78ee11
rgbrgb(120, 238, 17)
hslhsl(92, 87%, 50%)
oklchoklch(0.846 0.248 136)
Closest name: Becquerel (#4bec13)Relative luminance 0.6518

Colors that go with #78ee11

Deep Sky Blue, Violet and Hot Pink 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 →

#8711ee

#e7ee11 · #11ee18

#1178ee · #ee1178

Split-complementary

Open in tool →

#1811ee · #ee11e7

#11e7ee · #8711ee · #ee1811

Contrast

#78ee11 as textRatioAAAA largeAAAFix
Aaon white
1.5:1failfailfail
  • AA: use #438609 as the text (4.51:1)
  • AAA: use #326407 as the text (7.09:1)
  • AA: or shift the background to #595959 (4.68:1)
  • AAA: or shift the background to #3d3d3d (7.26:1)
Aaon black
14.04:1passpasspassPasses 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 #78ee11 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 #78ee11
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 #78ee11 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78ee11-acbea2-564edf-202d1f-f1f1e9?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