Color

#28bd0a

#28bd0a
hex#28bd0a
rgbrgb(40, 189, 10)
hslhsl(110, 90%, 39%)
oklchoklch(0.696 0.228 141.5)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.3687

Colors that go with #28bd0a

Taupe, Orchid 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 →

#9f0abd

#81bd0a · #0abd46

#0a28bd · #bd0a28

Split-complementary

Open in tool →

#460abd · #bd0a81

#0a81bd · #9f0abd · #bd460a

Contrast

#28bd0a as textRatioAAAA largeAAAFix
Aaon white
2.51:1failfailfail
  • AA: use #1d8807 as the text (4.59:1)
  • AAA: use #156605 as the text (7.16:1)
  • AA: or shift the background to #383838 (4.68:1)
  • AAA: or shift the background to #171717 (7.15:1)
Aaon black
8.37:1passpasspassPasses 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 #28bd0a 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 #28bd0a
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 #28bd0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28bd0a-a3bea2-814edf-1f2d23-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