Color

#28dc3a

#28dc3a
hex#28dc3a
rgbrgb(40, 220, 58)
hslhsl(126, 72%, 51%)
oklchoklch(0.78 0.242 143.8)
Closest name: Green Priestess (#11dd55)Relative luminance 0.5194

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#dc28ca

#70dc28 · #28dc94

#3a28dc · #dc3a28

Split-complementary

Open in tool →

#9428dc · #dc2870

#2870dc · #dc28ca · #dc9428

Contrast

#28dc3a as textRatioAAAA largeAAAFix
Aaon white
1.84:1failfailfail
  • AA: use #168822 as the text (4.59:1)
  • AAA: use #106519 as the text (7.25:1)
  • AA: or shift the background to #4d4d4d (4.58:1)
  • AAA: or shift the background to #303030 (7.16:1)
Aaon black
11.39:1passpasspassPasses 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 #28dc3a 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 #28dc3a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #28dc3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28dc3a-a2bea8-a74edf-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