Color

#d5ef81

#d5ef81
hex#d5ef81
rgbrgb(213, 239, 129)
hslhsl(74, 77%, 72%)
oklchoklch(0.91 0.139 120.2)
Closest name: Cucumber Milk (#c2f177)Relative luminance 0.7746

Colors that go with #d5ef81

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.

Real palettes that use #d5ef81

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9a81ef

#efd181 · #9eef81

#81d5ef · #ef81d5

Split-complementary

Open in tool →

#819eef · #d181ef

#81efd1 · #9a81ef · #ef819e

Contrast

#d5ef81 as textRatioAAAA largeAAAFix
Aaon white
1.27:1failfailfail
  • AA: use #657e10 as the text (4.62:1)
  • AAA: use #4c5f0c as the text (7.12:1)
  • AA: or shift the background to #666666 (4.51:1)
  • AAA: or shift the background to #474747 (7.3:1)
Aaon black
16.49:1passpasspassPasses 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 #d5ef81 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

#d5ef81 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d5ef81
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 #d5ef81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d5ef81-b4bea2-4e72df-242d1f-f1efe9?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