Color

#28de17

#28de17
hex#28de17
rgbrgb(40, 222, 23)
hslhsl(115, 81%, 48%)
oklchoklch(0.784 0.258 142.1)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5276

Colors that go with #28de17

Taupe, 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 →

#cd17de

#8bde17 · #17de6a

#1728de · #de1728

Split-complementary

Open in tool →

#6a17de · #de178b

#178bde · #cd17de · #de6a17

Contrast

#28de17 as textRatioAAAA largeAAAFix
Aaon white
1.82:1failfailfail
  • AA: use #18860e as the text (4.71:1)
  • AAA: use #12660b as the text (7.16:1)
  • AA: or shift the background to #4f4f4f (4.51:1)
  • AAA: or shift the background to #303030 (7.26:1)
Aaon black
11.55:1passpasspassPasses 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 #28de17 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 #28de17
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 #28de17 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28de17-a2bea3-8d4edf-1f2d24-eef1e9?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