Color

#28f820

#28f820
hex#28f820
rgbrgb(40, 248, 32)
hslhsl(118, 94%, 55%)
oklchoklch(0.852 0.28 142.4)
Closest name: Cyber Neon Green (#00ff26)Relative luminance 0.6769

Colors that go with #28f820

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 →

#f120f8

#93f820 · #20f885

#2028f8 · #f82028

Split-complementary

Open in tool →

#8520f8 · #f82093

#2093f8 · #f120f8 · #f88520

Contrast

#28f820 as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #088604 as the text (4.75:1)
  • AAA: use #076803 as the text (7.02:1)
  • AA: or shift the background to #5c5c5c (4.63:1)
  • AAA: or shift the background to #404040 (7.18:1)
Aaon black
14.54:1passpasspassPasses 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 #28f820 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 #28f820
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 #28f820 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28f820-a2bea4-944edf-1f2d25-edf1e9?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