Color

#28eb2f

#28eb2f
hex#28eb2f
rgbrgb(40, 235, 47)
hslhsl(122, 83%, 54%)
oklchoklch(0.819 0.263 143)
Closest name: Becquerel (#4bec13)Relative luminance 0.6007

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb28e5

#83eb28 · #28eb90

#2f28eb · #eb2f28

Split-complementary

Open in tool →

#9028eb · #eb2883

#2883eb · #eb28e5 · #eb9028

Contrast

#28eb2f as textRatioAAAA largeAAAFix
Aaon white
1.61:1failfailfail
  • AA: use #0d8711 as the text (4.68:1)
  • AAA: use #0a670d as the text (7.1:1)
  • AA: or shift the background to #545454 (4.69:1)
  • AAA: or shift the background to #383838 (7.27:1)
Aaon black
13.01:1passpasspassPasses 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 #28eb2f 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 #28eb2f
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 #28eb2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28eb2f-a2bea6-9e4edf-1f2d26-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