brandsweets

Color

#28c878

#28c878
hex#28c878
rgbrgb(40, 200, 120)
hslhsl(150, 67%, 47%)
oklchoklch(0.736 0.171 155.1)
Closest name: Bermudagrass (#6bc271)Relative luminance 0.4312
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
28c878c82878

#c82878

Analogous

Open in tool →
28c87828c82828c8c8

#28c828 · #28c8c8

Triadic

Open in tool →
28c8787828c8c87828

#7828c8 · #c87828

Split-complementary

Open in tool →
28c878c828c8c82828

#c828c8 · #c82828

Tetradic

Open in tool →
28c8782828c8c82878c8c828

#2828c8 · #c82878 · #c8c828

Contrast

#28c878 as textRatioAAAA largeAAAFix
Aaon white
2.18:1failfailfail
  • AA: use #1a844f as the text (4.71:1)
  • AAA: use #14663d as the text (7.01:1)
  • AA: or shift the background to #424242 (4.61:1)
  • AAA: or shift the background to #242424 (7.11:1)
Aaon black
9.62:1passpasspassPasses 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 #28c878 as the background.

Brands using this color

mcpConnect your agent — build around #28c878
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 #28c878 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28c878-a2beb3-d459d2-1f2d2c-e9f1ea?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