Color

#28fb44

#28fb44
hex#28fb44
rgbrgb(40, 251, 68)
hslhsl(128, 96%, 57%)
oklchoklch(0.861 0.269 144.1)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6986

Colors that go with #28fb44

Violet, Hot Pink and Plum 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 →

#fb28df

#75fb28 · #28fbad

#4428fb · #fb4428

Split-complementary

Open in tool →

#ad28fb · #fb2875

#2875fb · #fb28df · #fbad28

Contrast

#28fb44 as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #038714 as the text (4.69:1)
  • AAA: use #02640f as the text (7.41:1)
  • AA: or shift the background to #5e5e5e (4.62:1)
  • AAA: or shift the background to #424242 (7.17:1)
Aaon black
14.97:1passpasspassPasses 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 #28fb44 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 #28fb44
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 #28fb44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28fb44-a2bea9-ac4edf-1f2d27-ecf1e9?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