Color

#28bd3c

#28bd3c
hex#28bd3c
rgbrgb(40, 189, 60)
hslhsl(128, 65%, 45%)
oklchoklch(0.698 0.208 144.6)
Closest name: Exit Light (#55bb33)Relative luminance 0.3717

Colors that go with #28bd3c

Charcoal, Royal Blue and Taupe 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 →

#bd28a9

#5fbd28 · #28bd87

#3c28bd · #bd3c28

Split-complementary

Open in tool →

#8728bd · #bd285f

#285fbd · #bd28a9 · #bd8728

Contrast

#28bd3c as textRatioAAAA largeAAAFix
Aaon white
2.49:1failfailfail
  • AA: use #1d872b as the text (4.61:1)
  • AAA: use #156520 as the text (7.21:1)
  • AA: or shift the background to #383838 (4.71:1)
  • AAA: or shift the background to #171717 (7.2:1)
Aaon black
8.43:1passpasspassPasses 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 #28bd3c 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 #28bd3c
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 #28bd3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28bd3c-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