Color

#128e10

#128e10
hex#128e10
rgbrgb(18, 142, 16)
hslhsl(119, 80%, 31%)
oklchoklch(0.563 0.184 142.5)
Closest name: Emerald (#028f1e)Relative luminance 0.1951

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8c108e

#518e10 · #108e4d

#10128e · #8e1012

Split-complementary

Open in tool →

#4d108e · #8e1051

#10518e · #8c108e · #8e4d10

Contrast

#128e10 as textRatioAAAA largeAAAFix
Aaon white
4.28:1failpassfail
  • AA: use #118a0f as the text (4.5:1)
  • AAA: use #0d650b as the text (7.28:1)
  • AA: or shift the background to #0d0d0d (4.54:1)
Aaon black
4.9:1passpassfail
  • AAA: use #16ae13 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #128e10 as the background.

Brands using this color

mcpConnect your agent — build around #128e10
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 #128e10 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/128e10-a2bea5-964edf-1f2d25-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