CSS color

mediumseagreen

#3cb371

hex#3cb371

rgbrgb(60, 179, 113)

hslhsl(147, 50%, 47%)

oklchoklch(0.684 0.144 155)

Relative luminance 0.3439

Mediumseagreen on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the curated palettes it appears in and any public brand that adopts it.

Tints & shades

Tints — toward white

47c27e 5bc88c 6ecf99 81d5a7 98ddb7 abe3c4 bee9d1 d1f0df e4f6ec f7fcfa

Shades — toward black

37a468 30915c 2b8252 267349 21633f 1b5033 164129 11321f 0a1f13 050f0a

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

Harmonies

Complementary

Open in tool →

3cb371 b43c7e

#b43c7e

Analogous

Open in tool →

3cb371 42b43c 3cb4ae

#42b43c · #3cb4ae

Triadic

Open in tool →

3cb371 723cb4 b4723c

#723cb4 · #b4723c

Split-complementary

Open in tool →

3cb371 ae3cb4 b43c42

#ae3cb4 · #b43c42

Tetradic

Open in tool →

3cb371 3c42b4 b43c7e b4ae3c

#3c42b4 · #b43c7e · #b4ae3c

Contrast

mediumseagreen as text	Ratio	AA	AA large	AAA	Fix
Aaon white	2.67:1	fail	fail	fail	AA: use #2d8655 as the text (4.51:1) AAA: use #21633f as the text (7.19:1) AA: or shift the background to #363636 (4.53:1) AAA: or shift the background to #121212 (7.03:1)
Aaon black	7.88:1	pass	pass	pass	Passes 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 mediumseagreen 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 mediumseagreen

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 #3cb371 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cb371-a2beb2-d059d4-1f2d2c-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