brandsweets

Color

#138b45

#138b45
hex#138b45
rgbrgb(19, 139, 69)
hslhsl(145, 76%, 31%)
oklchoklch(0.559 0.144 151)
Closest name: Center Field (#008b56)Relative luminance 0.1903
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
138b458b1359

#8b1359

Analogous

Open in tool →
138b451d8b13138b81

#1d8b13 · #138b81

Triadic

Open in tool →
138b4545138b8b4513

#45138b · #8b4513

Split-complementary

Open in tool →
138b4581138b8b131d

#81138b · #8b131d

Tetradic

Open in tool →
138b45131d8b8b13598b8113

#131d8b · #8b1359 · #8b8113

Contrast

#138b45 as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #128743 as the text (4.59:1)
  • AAA: use #0d6331 as the text (7.38:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.81:1passpassfail
  • AAA: use #18af57 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #138b45 as the background.

Brands using this color

mcpConnect your agent — build around #138b45
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 #138b45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/138b45-a2beb1-cc59d4-1f2d2b-eaf1e9?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